Online English Vocabulary Flashcards for Additional and Supplementary Words

accessory (noun) /ækˈsɛs ə ri/
Definition: An item or object that complements or enhances another object, typically used in conjunction with it for practical, decorative, or fashion purposes.
Example Sentence: "The handbag served as the perfect accessory to complete her outfit."
Synonyms: accompaniment; adjunct; adornment; appendage; attachment; embellishment
Opposite Meaning: necessity

accouterment (noun) /əˈku tər mənt/
Definition: The collection or set of accessories or equipment associated with a particular activity, role, or style.
Example Sentence: "His hiking accouterment consisted of a durable backpack and a sturdy walking stick."
Synonyms: accessories; appurtenances; attire; equipment; gear; implements
Opposite Meaning: lack

additional (adjective) /əˈdɪʃ ə nl/
Definition: Added or supplementary to what already exists or is present.
Example Sentence: "She added an additional paragraph to the report to provide more context."
Synonyms: added; ancillary; bonus; complementary; extra; further
Opposite Meaning: subtractive

adjunct (adjective) /ˈadʒʌŋ(k)t/
Definition: Added or attached to another thing to supplement it or make it more complete.
Example Sentence: "The university offers a range of adjunct courses in various subjects."
Synonyms: accessory; accompaniment; addendum; addition; additional; annex
Opposite Meaning: primary

adjust (verb) /əˈdʒʌst/
Definition: To make alterations or changes to something in order to achieve a desired outcome or to bring it into proper alignment or balance.
Example Sentence: "He had to adjust his tie before entering the meeting."
Synonyms: adapt; alter; amend; calibrate; change; customize
Opposite Meaning: maintain

alternative (noun) /ɔlˈtɜr nə tɪv/
Definition: A choice or option that is presented as an alternative to the usual or conventional one.
Example Sentence: "He chose the alternative route to avoid heavy traffic."
Synonyms: choice; opportunity; option; possibility; preference; recourse
Opposite Meaning: same

ancillary (adjective) /anˈsɪləri/
Definition: Auxiliary, supplementary, or additional, often in a supportive or secondary role.
Example Sentence: "The ancillary staff are responsible for the day-to-day operations of the office."
Synonyms: accessory; added; auxiliary; backup; complementary; contributory
Opposite Meaning: primary

appendage (noun) /əˈpɛndɪdʒ/
Definition: A part that is attached or added to something larger, typically a limb or an extension of the body.
Example Sentence: "The surgeon skillfully reattached the severed appendage."
Synonyms: accessory; addition; adjunct; annex; attachment; extension
Opposite Meaning: core

auxiliary (adjective) /ɔːɡˈzɪlɪəri/
Definition: Providing additional or supplementary support or assistance.
Example Sentence: "The auxiliary staff helped with registration at the conference."
Synonyms: additional; ancillary; assisting; helping; peripheral; secondary
Opposite Meaning: main

cover (verb) /ˈkʌv ər/
Definition: To place something over or on top of another object, surface, or area to conceal, protect, or include it.
Example Sentence: "The insurance policy will cover the cost of any damages."
Synonyms: compensate; conceal; document; enclose; encompass; hide
Opposite Meaning: expose

etcetera (noun) /ɪt ˈsɛtrə/
Definition: Additional unspecified items or details that could be included in a list or sequence.
Example Sentence: "The grocery store sells fruits, vegetables, dairy products, etcetera."
Synonyms: additional; ancillary; extras; leftover; more; others
Opposite Meaning: none

modulate (verb) /ˈmɒdʒ əˌleɪt/
Definition: To adjust or regulate something, usually a sound or a signal, so that it meets a particular standard or achieves a desired effect.
Example Sentence: "They modulate the intensity of the workout based on their fitness level."
Synonyms: adapt; alter; change; control; manipulate; modify
Opposite Meaning: disrupt

prefix (noun) /ˈpriːfɪks/
Definition: A string of letters or sounds added to the beginning of a word to change its meaning or form a new word.
Example Sentence: "The prefix 'un-' is commonly used to indicate the opposite meaning of a word."
Synonyms: adjunct; affix; beginning; foreword; header; introduction
Opposite Meaning: suffix

provision (noun) /prəˈvɪʒ ən/
Definition: A specific item, resource, or measure that is supplied or made available to fulfill a particular need or requirement.
Example Sentence: "The emergency kit contains various provisions for unforeseen situations."
Synonyms: accommodation; allowance; arrangement; condition; ingredient; item
Opposite Meaning: lack

residual (adjective) /rɪˈzɪdʒʊəl/
Definition: Something that remains or is left over after a process or event has taken place.
Example Sentence: "The residual effects of the medication lasted longer than expected."
Synonyms: continuing; enduring; extra; leftover; lingering; net
Opposite Meaning: primary

secondary (adjective) /ˈsɛk ənˌdɛr i/
Definition: Of lesser importance, rank, or significance compared to something else.
Example Sentence: "The primary concern is the safety of the workers, with secondary consideration given to productivity."
Synonyms: ancillary; auxiliary; derived; incidental; lesser; minor
Opposite Meaning: primary

subjoin (verb) /səbˈdʒɔɪn/
Definition: To add or append something supplementary to a main or existing document, text, or statement.
Example Sentence: "The author decided to subjoin a glossary of terms to the end of the book."
Synonyms: add; affix; annex; append; attach; include
Opposite Meaning: separate

subsidiary (adjective) /səbˈsɪdɪəri/
Definition: Subordinate or secondary in importance or nature to something else.
Example Sentence: "The subsidiary company focuses on producing high-end electronics."
Synonyms: accessory; accompaniment; additional; ancillary; appendage; auxiliary
Opposite Meaning: primary

substitute (noun) /ˈsʌb stɪˌtut/
Definition: A person or thing that takes the place or acts as a replacement for someone or something else.
Example Sentence: "The coach decided to bring in a substitute player to give the star athlete a break."
Synonyms: alternate; backup; cover; deputy; proxy; replacement
Opposite Meaning: original

suffix (noun) /ˈsʌfɪks/
Definition: A string of letters or sounds added to the end of a word to change its meaning or form a new word.
Example Sentence: "The suffix '-ly' was added to the verb to form an adverb."
Synonyms: addendum; addition; affix; appendage; appendix; attachment
Opposite Meaning: prefix

supplement (verb) /ˈsʌp ləˌmɛnt/
Definition: To add something extra, complement, enhance, or complete an existing thing, system, or entity.
Example Sentence: "She decided to supplement her diet with vitamin C tablets for an immune system boost."
Synonyms: add; amplify; augment; bolster; boost; enhance
Opposite Meaning: reduce

supplemental (adjective) /ˌsʌp ləˈmɛn tl/
Definition: Additional, extra, or provided as a supplement or addition to something else.
Example Sentence: "She purchased a supplemental insurance policy to cover any additional medical expenses."
Synonyms: accessory; additional; additive; ancillary; auxiliary; bonus
Opposite Meaning: primary

supplementary (adjective) /ˌsʌp ləˈmɛn tə ri/
Definition: Serving as an addition, complement, or extension to something else.
Example Sentence: "The teacher provided supplementary reading materials to reinforce the lesson."
Synonyms: accessory; added; additional; ancillary; bonus; complementary
Opposite Meaning: essential