redefine

verb

re·​de·​fine ˌrē-di-ˈfīn How to pronounce redefine (audio)
redefined; redefining; redefines
Synonyms of redefine

transitive verb

1
: to define (something, such as a concept) again : reformulate
had to redefine their terms
2
a
: to reexamine or reevaluate especially with a view to change
b
: transform sense 1c
redefinition
(ˌ)rē-ˌde-fə-ˈni-shən How to pronounce redefine (audio)
noun

Synonyms of redefine

Relevance
See All Synonyms & Antonyms in Thesaurus

Examples of redefine in a Sentence

learning that he had been adopted forced him to completely redefine his identity
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This process helps redefine identity and find new avenues for skills and values, proving that professional identity isn't erased when a job title disappears. — Dr. Diane Hamilton, Forbes.com, 5 Aug. 2026 The franchise that would redefine reality television began almost by accident. — Maer Roshan, HollywoodReporter, 4 Aug. 2026 Here are seven of the most fascinating exoplanets discovered or dramatically redefined in recent years. — Kaif Shaikh, Interesting Engineering, 2 Aug. 2026 In an era dominated by physical defenders, Baresi distinguished himself through his reading of the game, redefining the sweeper role by combining defensive authority with the ability to launch attacks from deep. — CNN Money, 31 July 2026 See All Example Sentences for redefine

Word History

First Known Use

1848, in the meaning defined at sense 1

Time Traveler
The first known use of redefine was in 1848

Rhymes for redefine

See All Rhymes for redefine

Browse Nearby Words

redefect
redefine
redefinition
See all Nearby Words

Cite this Entry

“Redefine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/redefine. Accessed 5 Aug. 2026.

Copy Citation

Kids Definition

redefine

verb
re·​de·​fine ˌrē-di-ˈfīn How to pronounce redefine (audio)
1
: to define (as a concept) again
redefined their terms
2
: to reexamine or reevaluate especially with a view to change
redefine our goals

More from Merriam-Webster on redefine

Nglish: Translation of redefine for Spanish Speakers

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

7 Pairs of Commonly Confused Words

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

'Sneaked' or 'Snuck': Which is correct?

Why does English have so many silent letters?
See More

Popular in Wordplay

See More

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat

14 Phobias You Probably Haven't Heard Of

How long is a jiffy?

Even More Bird Names that Sound Like Insults (and Sometimes Are)
See More

Popular

See More

7 Pairs of Commonly Confused Words

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
asap street sign
Figure Out These Acronyms ASAP You don't have to be a NASA engineer to get these...
See All