redefine

verb

re·​de·​fine ˌrē-di-ˈfīn 

redefined; redefining; redefines

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 

noun

Synonyms of redefine

• reconsider
• revisit
• review

Examples of redefine in a Sentence

learning that he had been adopted forced him to completely redefine his identity

Recent Examples on the Web

What is clear, however, is that autonomous air taxis are on track to redefine how the world moves. —Atharva Gosavi, Interesting Engineering, 12 Dec. 2025

The designer’s work was said to exemplify the award’s mission to promote both creative and business growth, redefining the possibilities within fashion. —Lisa Lockwood, Footwear News, 12 Dec. 2025

See video … Tune in for insight into why college math readiness is falling and how shifting standards are redefining who is prepared for higher education. —FOXNews.com, 11 Dec. 2025

Despite these measures, low‑cost drones continue to shape military strategy and redefine how conflicts are fought across multiple theaters. —Amir Daftari, MSNBC Newsweek, 10 Dec. 2025

Word History

First Known Use

1848, in the meaning defined at sense 1

Rhymes for redefine

• acridine
• alkaline
• andesine
• anodyne
• anticline
• arginine
• asinine
• atropine
• benzidine
• borderline
• byzantine
• calamine

Kids Definition

redefine

verb

re·​de·​fine ˌrē-di-ˈfīn 

1

: to define (as a concept) again

redefined their terms

2

: to reexamine or reevaluate especially with a view to change

redefine our goals