English Synonyms for Additional and Supplementary Vocabulary Words – Online Quiz!

accessory (noun) /ækˈsɛs ə ri/
Meaning: An accessory is an additional component or feature that contributes to the functionality, aesthetics, or overall appeal of the main item or outfit.
Find the synonym: Which option is closest in meaning to accessory?
Options: adjunct; necessity; essential; fundamental
Answer: adjunct
Synonyms: accompaniment; adjunct; adornment; appendage; attachment; embellishment; extension; extra; supplement; trimmings; trinket
Example: "She wore a beautiful necklace as her main accessory for the evening."

accouterment (noun) /əˈku tər mənt/
Meaning: It encompasses the various items that complete or enhance a person's attire, outfit, or overall appearance.
Find the synonym: Which option is closest in meaning to accouterment?
Options: gear; lack; absence; deficiency
Answer: gear
Synonyms: accessories; appurtenances; attire; equipment; gear; implements; outfit; paraphernalia; provisions; regalia; tools; trappings
Example: "The pirate's accouterment included a rusty cutlass and a tattered eye patch."

additional (adjective) /əˈdɪʃ ə nl/
Meaning: It describes an extra or further component, element, or factor that contributes to an existing set or enhances its value.
Find the synonym: Which option is closest in meaning to additional?
Options: extra; subtractive; less; fewer
Answer: extra
Synonyms: added; ancillary; bonus; complementary; extra; further; increased; supplemental; supplementary
Example: "We need additional time to complete the project."

adjunct (adjective) /ˈadʒʌŋ(k)t/
Meaning: An adjunct may be something that is added to a sentence, such as an adverb or a phrase, to provide additional information or detail.
Find the synonym: Which option is closest in meaning to adjunct?
Options: supplementary; primary; central; main
Answer: supplementary
Synonyms: accessory; accompaniment; addendum; addition; additional; annex; appendage; appendant; associated; attachment; auxiliary; complement
Example: "The adjunct professor taught an engaging class on linguistics."

adjust (verb) /əˈdʒʌst/
Meaning: It involves modifying or adapting a particular element, aspect, or setting to fit a specific purpose, requirement, or situation.
Find the synonym: Which option is closest in meaning to adjust?
Options: modify; maintain; preserve; stagnate
Answer: modify
Synonyms: adapt; alter; amend; calibrate; change; customize; modify; rectify; regulate; revise; tweak
Example: "You need to adjust the antenna for better reception."

alternative (noun) /ɔlˈtɜr nə tɪv/
Meaning: It represents a different course of action or possibility that exists alongside the primary or mainstream option.
Find the synonym: Which option is closest in meaning to alternative?
Options: option; same; identical; only choice
Answer: option
Synonyms: choice; opportunity; option; possibility; preference; recourse; replacement; selection; substitute; variation
Example: "She considered taking the scenic route as an alternative to the highway."

ancillary (adjective) /anˈsɪləri/
Meaning: It describes elements, objects, or functions that are subordinate to a primary or central component, serving to enhance or complement its main purpose.
Find the synonym: Which option is closest in meaning to ancillary?
Options: supportive; primary; main; principal
Answer: supportive
Synonyms: accessory; added; auxiliary; backup; complementary; contributory; extra; peripheral; secondary; subordinate; subsidiary; supplemental
Example: "The ancillary services provided additional support to the main operations of the company."

appendage (noun) /əˈpɛndɪdʒ/
Meaning: In biology, an appendage is a specialized part of an organism that serves a particular function, such as the legs of an insect, the wings of a bird, or the fins of a fish.
Find the synonym: Which option is closest in meaning to appendage?
Options: extension; core; main part; body
Answer: extension
Synonyms: accessory; addition; adjunct; annex; attachment; extension; limb; outgrowth; projection; protrusion; protuberance; subsidiary
Example: "The crab's claws are its most distinctive appendages."

auxiliary (adjective) /ɔːɡˈzɪlɪəri/
Meaning: The term is often used to describe something that is intended to assist or complement something else, rather than replace it.
Find the synonym: Which option is closest in meaning to auxiliary?
Options: assisting; main; primary; central
Answer: assisting
Synonyms: additional; ancillary; assisting; helping; peripheral; secondary; subsidiary; supporting
Example: "The ship was equipped with an auxiliary engine in case the main engine failed."

cover (verb) /ˈkʌv ər/
Meaning: It involves providing a layer or shield that hides or shields what is underneath.
Find the synonym: Which option is closest in meaning to cover?
Options: conceal; expose; reveal; uncover
Answer: conceal
Synonyms: compensate; conceal; document; enclose; encompass; hide; perform; protect; report; shield; substitute; wrap
Example: "She used a blanket to cover herself and stay warm."

etcetera (noun) /ɪt ˈsɛtrə/
Meaning: The term "etcetera," often abbreviated as "etc.
Find the synonym: Which option is closest in meaning to etcetera?
Options: and so on; none; nothing else; that's all
Answer: and
Synonyms: additional; ancillary; extras; leftover; more; others; plus; remainder; rest; supplementary; surplus
Example: "I need to pack my clothes, toiletries, shoes, etcetera for the trip."

modulate (verb) /ˈmɒdʒ əˌleɪt/
Meaning: In the context of sound, modulation refers to altering the pitch, tone, or volume of a sound wave to achieve a desired sound quality or effect.
Find the synonym: Which option is closest in meaning to modulate?
Options: regulate; disrupt; disorganize; distort
Answer: regulate
Synonyms: adapt; alter; change; control; manipulate; modify; shift; tweak; vary
Example: "The DJ had to modulate the volume to keep the party energized but not too loud."

prefix (noun) /ˈpriːfɪks/
Meaning: In the English language, prefixes are used to create new words or to change the grammatical function of a word.
Find the synonym: Which option is closest in meaning to prefix?
Options: addition; suffix; root; base
Answer: addition
Synonyms: adjunct; affix; beginning; foreword; header; introduction; opening; prologue
Example: ""Un" is a common prefix used to indicate negation, as in "unhappy."

provision (noun) /prəˈvɪʒ ən/
Meaning: It can refer to tangible things such as food, supplies, or equipment, as well as intangible aspects such as support, assistance, or legal measures.
Find the synonym: Which option is closest in meaning to provision?
Options: supply; lack; deprivation; absence
Answer: supply
Synonyms: accommodation; allowance; arrangement; condition; ingredient; item; measure; prerequisite; resource; stipulation; stock; supply
Example: "The camping trip requires careful provision of food, water, and camping gear."

residual (adjective) /rɪˈzɪdʒʊəl/
Meaning: It refers to the leftover amount of something that still exists or persists after the majority has been used up, removed, or changed in some way.
Find the synonym: Which option is closest in meaning to residual?
Options: remaining; primary; total; complete
Answer: remaining
Synonyms: continuing; enduring; extra; leftover; lingering; net; remnant; residue; surplus; vestigial
Example: "The residual smell of the fire lingered in the air long after the flames had died down."

secondary (adjective) /ˈsɛk ənˌdɛr i/
Meaning: It denotes a subordinate or supporting role, indicating that the object or concept described is not primary or primary in nature.
Find the synonym: Which option is closest in meaning to secondary?
Options: subordinate; primary; foremost; principal
Answer: subordinate
Synonyms: ancillary; auxiliary; derived; incidental; lesser; minor; peripheral; subordinate; subservient; supplementary; supporting
Example: "The primary objective of our project is to increase sales, while the secondary goal is to improve customer satisfaction."

subjoin (verb) /səbˈdʒɔɪn/
Meaning: When you subjoin something, you include it as an additional piece of information or content, usually to provide further clarification, elaboration, or support.
Find the synonym: Which option is closest in meaning to subjoin?
Options: append; separate; detach; remove
Answer: append
Synonyms: add; affix; annex; append; attach; include; incorporate; interject; join; supplement
Example: "I will subjoin my signature at the bottom of the document."

subsidiary (adjective) /səbˈsɪdɪəri/
Meaning: It can describe a company that is owned or controlled by another company, known as the parent company, and operates as a smaller, more specialized entity that supports or complements the parent company's operations.
Find the synonym: Which option is closest in meaning to subsidiary?
Options: secondary; primary; main; principal
Answer: secondary
Synonyms: accessory; accompaniment; additional; ancillary; appendage; auxiliary; complementary; contributory; incidental; secondary; subordinate; subservient
Example: "The subsidiary company has been performing exceptionally well this quarter."

substitute (noun) /ˈsʌb stɪˌtut/
Meaning: It is a term commonly used in various contexts, such as education, sports, work, and everyday life.
Find the synonym: Which option is closest in meaning to substitute?
Options: replacement; original; primary; main
Answer: replacement
Synonyms: alternate; backup; cover; deputy; proxy; replacement; reserve; surrogate; temp; understudy
Example: "The substitute teacher arrived promptly to take over the classroom in the absence of the regular teacher."

suffix (noun) /ˈsʌfɪks/
Meaning: In the English language, suffixes are used to create new words or to change the grammatical function of a word.
Find the synonym: Which option is closest in meaning to suffix?
Options: appendage; prefix; root; stem
Answer: appendage
Synonyms: addendum; addition; affix; appendage; appendix; attachment; ending; postfix; tail; termination
Example: "The English language has various suffixes that modify word meanings."

supplement (verb) /ˈsʌp ləˌmɛnt/
Meaning: When you supplement something, you provide an extension or reinforcement to make it more comprehensive, balanced, or effective.
Find the synonym: Which option is closest in meaning to supplement?
Options: enhance; reduce; detract; diminish
Answer: enhance
Synonyms: add; amplify; augment; bolster; boost; enhance; enrich; expand; reinforce; strengthen; support; uphold
Example: "I need to supplement my diet with vitamins to ensure proper nutrition."

supplemental (adjective) /ˌsʌp ləˈmɛn tl/
Meaning: It describes something that is supplementary or complementary, serving to enhance, complete, or support the main or existing thing.
Find the synonym: Which option is closest in meaning to supplemental?
Options: additional; primary; main; principal
Answer: additional
Synonyms: accessory; additional; additive; ancillary; auxiliary; bonus; complementary; extra; further; incremental; secondary; supplementary
Example: "The company offered supplemental training materials to employees for further skill development."

supplementary (adjective) /ˌsʌp ləˈmɛn tə ri/
Meaning: It implies providing extra or additional support, information, resources, or content that enhances or completes the main or primary element.
Find the synonym: Which option is closest in meaning to supplementary?
Options: extra; essential; necessary; integral
Answer: extra
Synonyms: accessory; added; additional; ancillary; bonus; complementary; extra; further; optional; secondary; supplemental; supportive
Example: "The cookbook included a section of supplementary recipes for more adventurous cooks."