Dictionary.com

impair

1
[ im-pair ]
/ ɪmˈpɛər /
Save This Word!
See synonyms for: impair / impaired / impairment on Thesaurus.com

verb (used with object)

to make or cause to become worse; diminish in ability, value, excellence, etc.; weaken or damage: to impair one's health; to impair negotiations.

verb (used without object)

to grow or become worse; lessen.

noun

Archaic. impairment.

QUIZZES

QUIZ YOURSELF ON "WAS" VS. "WERE"!

Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of impair

1
1250–1300; Middle English empairen, empeiren “to make worse,” from Middle French empeirer, equivalent to em- im-1 + peirer “to make worse,” from Late Latin pējōrāre, equivalent to Latin pējōr-, stem of pējor “worse” + -ā- thematic vowel + -re infinitive suffix; cf. pejorative

synonym study for impair

1. See injure.

OTHER WORDS FROM impair

Definition for impair (2 of 2)

impair2
[ an-per ]
/ ɛ̃ˈpɛr /

adjective French.

noting any odd number, especially in roulette.
Compare pair.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for impair

British Dictionary definitions for impair

impair
/ (ɪmˈpɛə) /

verb

(tr) to reduce or weaken in strength, quality, etchis hearing was impaired by an accident

Derived forms of impair

impairable, adjectiveimpairer, nounimpairment, noun

Word Origin for impair

C14: from Old French empeirer to make worse, from Late Latin pējorāre, from Latin pejor worse; see pejorative
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK