“impair” – English explanatory dictionary

impair
81886 most common word
verb
to damage something so that it does not work properly
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im•pair´
v. t. [imp. & p. p. Impaired p. pr. & vb. n. Impairing.] [Written also empair.] [OE. empeiren, enpeiren, OF. empeirier, empirier, F. empirer, LL. impejorare; L. pref. im- in + pejorare to make worse, fr. pejor worse. Cf. Appair.] To make worse; to diminish in quantity, value, excellence, or strength; to deteriorate; as to impair health, character, the mind, value. “Time sensibly all things impairs.” Roscommon. “In years he seemed, but not impaired by years.” Pope. Syn. — To diminish; decrease; injure; weaken; enfeeble; debilitate; reduce; debase; deteriorate.
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im•pair´
v. t. To grow worse; to deteriorate. Milton.
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im´pair
a. [F. impair uneven, L. impar; im- not + par equal.] Not fit or appropriate. [Obs.]
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im•pair´
n. Diminution; injury. [Obs.]
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Meaning of “impair” in English language – to damage something so that it does not...
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