Impair Meaning

/ɪmˈpɛə/
B2

Definition, CEFR level B2, pronunciation, examples, and quiz.

Listen pronunciation

verbTo weaken; to affect negatively; to have a diminishing effect on.

verbTo grow worse; to deteriorate.

Hormones impair one's judgment.
"Fly ye, who may, / whom age hath chilled not, nor the years impair."
Social media could greatly impair the intelligence of our kids.
Synonyms:
Antonyms:
None
CEFR Practice Quiz
Drinking too much alcohol can significantly ____ your ability to drive safely.
CEFR Practice Quiz (Alternate)
Repeated exposure to very loud music can permanently ____ your hearing over a long period.

From Middle English impairen, empeiren, from Old French empeirier, from Early Medieval Latin impeiōrāre, from in- + Late Latin peiōrāre (“worsen”), from peiōrem (“worse”), comparative of malus (“bad”).

"In 2016, it was announced that Jones had been diagnosed with primary progressive aphasia, a form of dementia that impairs the ability to communicate." — 2020 January 22, Stuart Jeffries, “Terry Jones obituary”, in The Guardian:
"Flesh may empaire,[…]but reason can repaire." — 1590, Edmund Spenser, “Book I, Canto VII”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, →OCLC:
"giues he not till iudgement guide his bounty, / Nor dignifies an impaire thought with breath:" — c. 1602 (date written), William Shakespeare, “The Tragedie of Troylus and Cressida”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act IV, scene v]:
"Suppoſe a mans credit ſhould ſuffer an impair with thoſe whoſe cenſure is not to be valued; yet think, which is worſe, ſhame or ſin? Wilt thou ſin againſt God to ſave thy credit?" — 1671, Thomas Watson, The Beatitudes, pages 146–147:

Explore More B2 Vocabulary Words

CEFR Practice Quiz
Drinking too much alcohol can significantly ____ your ability to drive safely.
CEFR Practice Quiz (Alternate)
Repeated exposure to very loud music can permanently ____ your hearing over a long period.

Expand Your Vocabulary with LexUp

Master English words using smart flashcards, play exciting word rounds, and compete with other learners worldwide.

Browse CEFR Words Alphabetically