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Materials and Substances Vocabulary: Antonyms Quiz

Practice Materials and Substances vocabulary with this 44-word antonyms quiz. For each word, choose the antonym—the option with the opposite or most opposite meaning.

Hover over a word to reveal its definition. Click any word for the full dictionary entry.

Choose the word with the opposite meaning

Make Materials and Substances Vocabulary Stick with Quizzes, Flashcards, and Spelling Practice:

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Complete Flashcards List for Materials and Substances with POS, IPA, Definitions, Examples, Questions, and Answers

coagulate (verb) /koʊˈæɡjəˌleɪt/
Definition: To thicken or solidify a liquid, often through a chemical or biological process.
Antonyms quiz: Choose the opposite meaning of coagulate.
Options: amalgamate; clog; clot; liquefy
Answer: liquefy
Example sentence: "If you add vinegar to warm milk, it will coagulate."

combust (verb) /kəmˈbʌst/
Definition: To ignite or burn something, typically as a result of a chemical reaction between a fuel and oxygen, accompanied by the release of heat and often light.
Antonyms quiz: Choose the opposite meaning of combust.
Options: blaze; char; fire; extinguish
Answer: extinguish
Example sentence: "We witnessed a small fire in the warehouse when some stored chemicals began to combust."

composite (adjective) /ˈkɒmpəzɪt/
Definition: Made up of multiple parts or elements that have been combined together.
Antonyms quiz: Choose the opposite meaning of composite.
Options: amalgam; blend; compound; separate
Answer: separate
Example sentence: "He created a composite image from multiple photographs."

compound (adjective) /ˈkɒm paʊnd/
Definition: Composed or made up of two or more separate elements or parts.
Antonyms quiz: Choose the opposite meaning of compound.
Options: amalgamated; blended; complex; simple
Answer: simple
Example sentence: "The garden was filled with a variety of beautiful flowering plants and lush green foliage, creating a compound of natural beauty."

conduit (noun) /ˈkɒnd(w)ɪt/
Definition: A channel, pipe, or means of conveying something from one place to another.
Antonyms quiz: Choose the opposite meaning of conduit.
Options: canal; channel; drain; barrier
Answer: barrier
Example sentence: "The internet is a crucial conduit for information exchange."

content (noun) /ˈkɒn tɛnt/
Definition: The substance or material contained within something.
Antonyms quiz: Choose the opposite meaning of content.
Options: composition; data; information; emptiness
Answer: emptiness
Example sentence: "The content of the book explores the complexities of human relationships."

covering (noun) /ˈkʌv ər ɪŋ/
Definition: Any material, substance, or structure that is used to conceal, protect, or envelope something.
Antonyms quiz: Choose the opposite meaning of covering.
Options: blanket; cap; coat; exposure
Answer: exposure
Example sentence: "The car was parked under a covering to protect it from the scorching sun."

crude (adjective) /krud/
Definition: In a raw, unrefined, or unfinished state.
Antonyms quiz: Choose the opposite meaning of crude.
Options: basic; coarse; primitive; refined
Answer: refined
Example sentence: "The villagers used crude tools made from stone and wood for their daily tasks."

detritus (noun) /dɪˈtrʌɪtəs/
Definition: Debris, waste or the remains of something that has been worn away or broken down.
Antonyms quiz: Choose the opposite meaning of detritus.
Options: flotsam; fragments; litter; whole
Answer: whole
Example sentence: "The river carried away the detritus from the construction site."

diaphanous (adjective) /daɪˈæfənɪs/
Definition: Lightweight, delicate, and almost transparent, allowing light to pass through it easily.
Antonyms quiz: Choose the opposite meaning of diaphanous.
Options: airy; delicate; ethereal; opaque
Answer: opaque
Example sentence: "The diaphanous fabric of the veil created an ethereal effect."

distil (verb) /dɪˈstɪl/
Definition: To purify or extract something by separating it from other substances through a process of heating and cooling.
Antonyms quiz: Choose the opposite meaning of distil.
Options: condense; evaporate; express; contaminate
Answer: contaminate
Example sentence: "The distillery uses traditional methods to distil the finest whiskey."

duct (noun) /dʌkt/
Definition: A passage or channel that allows the flow of air, liquid, or other substances.
Antonyms quiz: Choose the opposite meaning of duct.
Options: channel; conduit; corridor; blockage
Answer: blockage
Example sentence: "The ventilation duct in the kitchen was clogged with dust."

ductile (adjective) /ˈdʌktəl/
Definition: Capable of being stretched, drawn, or molded without breaking or losing its integrity.
Antonyms quiz: Choose the opposite meaning of ductile.
Options: adaptable; bendable; flexible; rigid
Answer: rigid
Example sentence: "The artist molded the ductile clay into a stunning sculpture."

durable (adjective) /ˈdjʊərəbl/
Definition: Able to withstand wear, decay, or damage over an extended period of time.
Antonyms quiz: Choose the opposite meaning of durable.
Options: enduring; firm; hardy; fragile
Answer: fragile
Example sentence: "The durable fabric of the backpack proved its worth on countless trips."

extrude (verb) /ɪkˈstrud/
Definition: To force a material or substance through a small opening or orifice, typically to create a specific shape or form.
Antonyms quiz: Choose the opposite meaning of extrude.
Options: cast; discharge; eject; retain
Answer: retain
Example sentence: "To make a beautiful vase, the potter will extrude clay through his hands."

ferment (verb) /ˈfɜrmɛnt/
Definition: To undergo a chemical change that results in the production of a new substance through the action of microorganisms such as yeast or bacteria.
Antonyms quiz: Choose the opposite meaning of ferment.
Options: brew; distill; pickle; stabilize
Answer: stabilize
Example sentence: "To make kombucha, you have to ferment tea with sugar and a SCOBY."

filtrate (noun) /ˈfɪl treɪt/
Definition: A substance that has passed through a filter, typically to remove impurities or unwanted particles.
Antonyms quiz: Choose the opposite meaning of filtrate.
Options: distillate; drip; infusion; unprocessed
Answer: unprocessed
Example sentence: "The filtrate was used as a test sample in the lab."

fissure (noun) /ˈfɪʃə/
Definition: A narrow, elongated opening or crack in a surface or material, often caused by pressure or tension.
Antonyms quiz: Choose the opposite meaning of fissure.
Options: breach; break; chasm; closure
Answer: closure
Example sentence: "A fissure in the ice warned of danger on the frozen lake."

flammable (adjective) flammable
/ˈflaməbl/
Definition: A substance that is easily ignited and capable of catching fire or burning rapidly.
Antonyms quiz: Choose the opposite meaning of flammable.
Options: burnable; combustible; explosive; nonflammable
Answer: nonflammable
Example sentence: "The warehouse had to install fire safety measures because of the flammable materials stored there."

fluid (noun) /ˈflu ɪd/
Definition: A substance that has the ability to flow and take the shape of its container.
Antonyms quiz: Choose the opposite meaning of fluid.
Options: broth; effusion; elixir; solid
Answer: solid
Example sentence: "The dancer moved with grace and fluidity across the stage."

gear (noun) /gɪər/
Definition: A broad range of equipment, tools, or apparatuses designed for specific tasks or activities.
Antonyms quiz: Choose the opposite meaning of gear.
Options: accessories; apparatus; attire; discard
Answer: discard
Example sentence: "The scuba diver donned her diving gear before plunging into the ocean depths."

gossamer (noun) /ˈɡɒsəmə/
Definition: Adelicate and lightweight fabric that is often used for clothing or decoration.
Antonyms quiz: Choose the opposite meaning of gossamer.
Options: airy; delicate; diaphanous; heavy
Answer: heavy
Example sentence: "The curtains let in gossamer rays of morning sunlight."

hybrid (noun) /ˈhʌɪbrɪd/
Definition: A combination of two or more different things, usually with the aim of creating something new and improved.
Antonyms quiz: Choose the opposite meaning of hybrid.
Options: amalgam; blend; combination; purebred
Answer: purebred
Example sentence: "Hybrid plants are often bred for their unique characteristics."

impermeable (adjective) /ɪmˈpɜr mi ə bəl/
Definition: Resistant or impervious to the passage or penetration of substances or elements, such as liquids, gases, or even light.
Antonyms quiz: Choose the opposite meaning of impermeable.
Options: impenetrable; impervious; impregnable; permeable
Answer: permeable
Example sentence: "The architect used impermeable insulation to protect the house from moisture."

inanimate (adjective) /ɪnˈanɪmət/
Definition: Lacking the qualities of life, such as consciousness, mobility, or the ability to grow, reproduce, or respond to stimuli.
Antonyms quiz: Choose the opposite meaning of inanimate.
Options: dead; inactive; inert; animate
Answer: animate
Example sentence: "It was just an inanimate object, yet it carried so many memories."

milky (adjective) /ˈmɪl ki/
Definition: Resembling or is related to milk in color, appearance, or texture.
Antonyms quiz: Choose the opposite meaning of milky.
Options: alabaster; chalky; creamy; clear
Answer: clear
Example sentence: "The painter mixed different colors to achieve a milky hue for the sky."

patina (noun) /pəˈtinə/
Definition: A thin layer or coating that forms on the surface of certain materials, usually metals, due to natural weathering or exposure to air and water.
Antonyms quiz: Choose the opposite meaning of patina.
Options: coating; corrosion; film; newness
Answer: newness
Example sentence: "The copper statue's patina gave it a timeless appearance."

perforate (verb) /ˈpəːfəreɪt/
Definition: To make a hole or series of holes through a material or surface.
Antonyms quiz: Choose the opposite meaning of perforate.
Options: bore; drill; lance; seal
Answer: seal
Example sentence: "The dentist needed to perforate the tooth to remove the decay."

perforation (noun) /ˌpɜr fəˈreɪ ʃən/
Definition: A hole or series of holes that have been intentionally made or created in a material.
Antonyms quiz: Choose the opposite meaning of perforation.
Options: aperture; breach; break; unbroken
Answer: unbroken
Example sentence: "The perforation on the soda can lid enabled the smooth flow of the carbonated beverage."

petrify (verb) /ˈpɛtrɪfʌɪ/
Definition: To turn something into stone or causing it to become like stone in terms of hardness or rigidity.
Antonyms quiz: Choose the opposite meaning of petrify.
Options: calcify; fossilize; harden; soften
Answer: soften
Example sentence: "Artists sometimes use techniques that petrify materials, giving them a stone-like appearance."

powder (noun) /ˈpaʊ dər/
Definition: A fine substance composed of small particles, typically dry and loose in texture.
Antonyms quiz: Choose the opposite meaning of powder.
Options: chalk; dust; flour; lump
Answer: lump
Example sentence: "The baker sifted the cocoa powder into the bowl, ensuring a smooth and lump-free batter."

residue (noun) /ˈrɛzəˌdu/
Definition: The remaining matter or substance that is left behind after a process or event.
Antonyms quiz: Choose the opposite meaning of residue.
Options: debris; deposit; dregs; entirety
Answer: entirety
Example sentence: "The dishwasher removed all traces of food residue from the dishes."

rub (verb) /rʌb/
Definition: To apply pressure or friction with one's hands or an object against a surface.
Antonyms quiz: Choose the opposite meaning of rub.
Options: buff; caress; chafe; ignore
Answer: ignore
Example sentence: "If you rub the magic lamp, a genie might appear!"

saturate (verb) /ˈsatʃəreɪt/
Definition: To completely fill or soak something to the point of complete absorption or capacity.
Antonyms quiz: Choose the opposite meaning of saturate.
Options: drench; flood; imbue; dry
Answer: dry
Example sentence: "The artist used bold colors to saturate the canvas."

scrap (verb) /skræp/
Definition: To discard, get rid of, or dispose of something, typically because it is no longer needed, useful, or valuable.
Antonyms quiz: Choose the opposite meaning of scrap.
Options: abandon; cancel; discard; retain
Answer: retain
Example sentence: "Can we scrap the original plan and come up with a new one?"

sediment (noun) /ˈsɛd ə mənt/
Definition: The collection of solid particles that settle at the bottom of a body of water or accumulate on the surface of the Earth.
Antonyms quiz: Choose the opposite meaning of sediment.
Options: debris; deposits; dregs; suspension
Answer: suspension
Example sentence: "The sediment settled at the bottom of the lake, creating a muddy layer."

soluble (adjective) /ˈsɒljʊbl/
Definition: Having the ability to dissolve or be dissolved in a particular solvent, such as a liquid.
Antonyms quiz: Choose the opposite meaning of soluble.
Options: dissoluble; dissolvable; liquefiable; insoluble
Answer: insoluble
Example sentence: "Salt is a soluble substance that dissolves easily in liquid."

specimen (noun) /ˈspɛsɪmɪn/
Definition: A sample or example of something, typically used for scientific study or analysis.
Antonyms quiz: Choose the opposite meaning of specimen.
Options: embodiment; example; exemplification; anomaly
Answer: anomaly
Example sentence: "The lab technician prepared a blood specimen for testing."

spindle (noun) /ˈspɪndəl/
Definition: A cylindrical rod or pin that rotates around its axis, typically used for spinning fibers into thread or yarn.
Antonyms quiz: Choose the opposite meaning of spindle.
Options: axis; axle; mandrel; block
Answer: block
Example sentence: "The carpenter shaped the wood into a finely crafted spindle."

tensile (adjective) /ˈtɛnsʌɪl/
Definition: Having the ability to resist breaking or being stretched apart when a force is applied to a material.
Antonyms quiz: Choose the opposite meaning of tensile.
Options: ductile; elastic; flexible; inflexible
Answer: inflexible
Example sentence: "Tensile stress can cause materials to deform or break."

threads (noun) /θrɛdz/
Definition: The individual fibers or strands that make up the fabric.
Antonyms quiz: Choose the opposite meaning of threads.
Options: cords; fabric; fibers; solid
Answer: solid
Example sentence: "The intricate embroidery featured metallic threads that shimmered in the light."

veneer (noun) /vɪˈnɪə/
Definition: A thin layer of material applied to the surface of an object to conceal or protect it.
Antonyms quiz: Choose the opposite meaning of veneer.
Options: cladding; covering; façade; core
Answer: core
Example sentence: "The politician's charm was nothing more than a thin veneer."

viscosity (noun) /vɪˈskɒs ɪ ti/
Definition: The measure of a substance's resistance to flow or deformation.
Antonyms quiz: Choose the opposite meaning of viscosity.
Options: clarity; cohesiveness; consistency; fluidity
Answer: fluidity
Example sentence: "The chemist measured the viscosity of the liquid using a viscometer."

yarn (noun) /yɑrn/
Definition: A continuous strand of fibers, such as wool or cotton, used in knitting, crocheting, or weaving to create textiles and fabrics.
Antonyms quiz: Choose the opposite meaning of yarn.
Options: cord; fiber; filament; truth
Answer: truth
Example sentence: "The group sat around the campfire, spinning yarns and sharing ghost stories."

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