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Definitions

define

[dih-fahyn] / dɪˈfaɪn /
VERB
give description
Synonyms
STRONGEST
characterize construe decide delineate describe designate detail determine exemplify explain illustrate interpret prescribe represent specify spell out
STRONG
ascertain assign denominate denote dub elucidate entitle etch expound formalize label name tag translate
WEAK
call a spade a spade lay it out nail it down
Antonyms
STRONGEST
confuse hesitate hide misrepresent obscure
WEAK
distort tangle twist
VERB
delimit, outline
Synonyms
STRONGEST
delineate distinguish establish limit mark set
STRONG
belt border bound circumscribe compass confine curb demarcate edge encircle enclose encompass envelop fix flank gird girdle rim settle surround verge
WEAK
fence in mark out set bounds to stake out wall in
Antonyms
STRONG
aid assist center free help let go lose open release unloose unsettle
WEAK
confuse distort tangle twist

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It’s also a story about time, about seizing the moment: the great days that will define one’s life.

From The Wall Street Journal • Apr. 16, 2026

In earlier work published in 2019, Xiao and his team suggested that the first sponges may not have produced the hard, needle-like structures called spicules that define modern sponges.

From Science Daily • Apr. 15, 2026

Beta simply grants Coltrane the autonomy to define her own experience, which shouldn’t be radical, and yet it is.

From Salon • Apr. 14, 2026

"What we really need now is more robust trial data to better define the balance of benefits and harms with these and many other emerging newer therapies."

From BBC • Apr. 8, 2026

Lily says percentages and politicians can’t define identity, but they’ve defined mine: illegal lab creation.

From "The Adoration of Jenna Fox" by Mary E. Pearson

Vocabulary lists containing define

The Language of Standardized Tests, List 1

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Jim Burke's Academic Vocabulary List

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The ACT: The Language of the Test, List 1

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!