资料来源 : pyDict

损害,减少,削弱

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Impair \Im*pair"\, v. t.
   To grow worse; to deteriorate. --Milton.

Impair \Im"pair\, a. [F. impair uneven, L. impar; im- not + par
   equal.]
   Not fit or appropriate. [Obs.]

Impair \Im*pair"\, n.
   Diminution; injury. [Obs.]

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.

         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.

资料来源 : WordNet®

impair
     v 1: make worse or less effective; "His vision was impaired"
     2: make imperfect; "nothing marred her beauty" [syn: {mar}, {spoil},
         {deflower}, {vitiate}]