'Impair' definitions:
Definition of 'impair'
From: WordNet
Definition of 'Impair'
From: GCIDE
- Impair \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. [1913 Webster]
- Time sensibly all things impairs. --Roscommon. [1913 Webster]
- In years he seemed, but not impaired by years. --Pope.
- Syn: To diminish; decrease; injure; weaken; enfeeble; debilitate; reduce; debase; deteriorate. [1913 Webster]
Definition of 'Impair'
From: GCIDE
- Impair \Im*pair"\, v. t. To grow worse; to deteriorate. --Milton. [1913 Webster]
Definition of 'Impair'
From: GCIDE
- Impair \Im"pair\, a. [F. impair uneven, L. impar; im- not + par equal.] Not fit or appropriate. [Obs.] [1913 Webster]
Definition of 'Impair'
From: GCIDE
- Impair \Im*pair"\, n. Diminution; injury. [Obs.] [1913 Webster]
Synonyms of 'impair'
From: Moby Thesaurus
- abate,
- abrade,
- abstract,
- abuse,
- afflict,
- aggravate,
- aggrieve,
- bate,
- befoul,
- bewitch,
- blemish,
- blight,
- condemn,
- corrupt,
- cripple,
- crucify,
- curse,
- curtail,
- damage,
- decrease,
- deduct,
- defile,
- deprave,
- depreciate,
- derogate,
- despoil,
- destroy,
- deteriorate,
- detract,
- dilapidate,
- diminish,
- disadvantage,
- disparage,
- disserve,
- distress,
- do a mischief,
- do evil,
- do ill,
- do wrong,
- do wrong by,
- doom,
- drain,
- eat away,
- embitter,
- endamage,
- envenom,
- erode,
- exacerbate,
- extract,
- file away,
- get into trouble,
- harass,
- harm,
- hex,
- hurt,
- infect,
- injure,
- irritate,
- jinx,
- leach,
- lessen,
- make worse,
- maltreat,
- mar,
- menace,
- mistreat,
- molest,
- outrage,
- persecute,
- play havoc with,
- play hob with,
- poison,
- pollute,
- prejudice,
- purify,
- put back,
- reduce,
- refine,
- remove,
- retrench,
- rub away,
- ruin,
- sap,
- savage,
- scathe,
- shorten,
- spoil,
- subduct,
- subtract,
- taint,
- take away,
- take from,
- tarnish,
- thin,
- thin out,
- threaten,
- torment,
- torture,
- undermine,
- violate,
- vitiate,
- weaken,
- wear away,
- weed,
- withdraw,
- worsen,
- wound,
- wreak havoc on,
- wrong