Definition for Impair:

• To make worse; to diminish in quantity, value, excellence, or strength; to deteriorate; as, to impair health, character, the mind, value.

Synonyms for Impair:

• n.

  •
  • damage,
  • overshadow,
  • injure,
  • destroy,
  • hurt,
  • taint,
  • break.
  •
  • diminish,
  • reduce.
  •
  • flaw,
  • Disserve,
  • tarnish,
  • harm,
  • prejudice,
  • detract from,
  • blemish.
  •impair (noun)
  • mar,
  • vitiate,
  • deflower,
  • spoil.

• v.

  •disable (verb)
  • deaden,
  • prostrate,
  • disarm,
  • enfeeble,
  • botch,
  • weaken,
  • cripple,
  • paralyze,
  • abrogate,
  • cramp,
  • vitiate,
  • handicap,
  • neutralize,
  • lame,
  • hamstring,
  • invalidate,
  • stun,
  • scotch,
  • benumb,
  • incapacitate,
  • sap,
  • hamper,
  • dull,
  • disable,
  • tamper,
  • stupefy,
  • anesthetize,
  • undermine,
  • screw up,
  • hobble,
  • hinder.
  •harm, hinder (verb)
  • destroy,
  • blemish,
  • mar,
  • invalidate,
  • deteriorate,
  • damage,
  • devaluate,
  • decrease,
  • rough up,
  • weaken,
  • enfeeble,
  • tweak,
  • queer,
  • enervate,
  • injure,
  • lessen,
  • make useless,
  • reduce,
  • worsen,
  • ding,
  • debase,
  • undermine,
  • vitiate,
  • cheapen,
  • blunt,
  • disqualify,
  • unfit,
  • total,
  • prejudice,
  • spoil,
  • tarnish,
  • diminish,
  • debilitate,
  • hurt,
  • devalue,
  • lose strength.
  •hinder (verb)
  • delay,
  • counter,
  • inhibit,
  • bung,
  • oppose,
  • constipate,
  • mire,
  • brake,
  • congest,
  • complicate,
  • burden,
  • dam,
  • entangle,
  • drag,
  • foul,
  • entrap,
  • plug,
  • clog,
  • crimp,
  • constrain,
  • stay,
  • deter,
  • catch,
  • impede,
  • block,
  • frustrate,
  • choke,
  • fetter,
  • curb,
  • restrict,
  • snarl,
  • check,
  • detain,
  • baffle,
  • restrain,
  • resist,
  • thwart,
  • bar,
  • snag,
  • bottleneck,
  • tangle,
  • encumber,
  • stop,
  • obstruct,
  • jam,
  • interrupt.
  •weaken (verb)
  • adulterate.

• Other synonyms:

  •
  • destroy,
  • affect,
  • Disserve.
  •
  • injure,
  • tarnish.
  •
  • blemish.
  •
  • damage.
  •
  • hurt.
  •
  • cut.
  •blemish
  • scar.
  •confuse
  • cloud.
  •crackle
  • splutter.
  •damage
  • tamper with,
  • wear away,
  • wreak havoc on.
  •deform
  • flaw,
  • Misshape.
  •destroy
  • break down.
  •disable
  • hamstring,
  • immobilize.
  •injure
  • Disserve.
  •mutilate
  • maim.
  •pillage
  • ravage.
  •poison
  • envenom,
  • Empoison.
  •shatter
  • shatter.
  •weaken
  • thin out,
  • undermine.
  •Other relevant words:
  • decline,
  • crack,
  • deficit,
  • deduction,
  • put back,
  • diminution,
  • foil,
  • anticipation,
  • depreciate,
  • damaging,
  • rebate,
  • bankrupt,
  • mollycoddle,
  • Enfeebler,
  • enfeebling,
  • bust,
  • disappoint,
  • numeric,
  • Shend,
  • exponential,
  • surd,
  • demoralise,
  • pollute,
  • adulterate,
  • prime,
  • disservice,
  • twist,
  • abstract,
  • harmfully,
  • injure,
  • ding,
  • indispose,
  • imaginary,
  • decrease,
  • depravity,
  • coddle,
  • torture,
  • celibate,
  • deface,
  • devitalize,
  • crucify,
  • lone,
  • shorten,
  • defaced,
  • hurtful,
  • Endamage,
  • splutter,
  • antagonize,
  • mangle,
  • injury,
  • demoralize,
  • one and only,
  • embitter,
  • digital,
  • bastardize,
  • harmful,
  • depress,
  • muck up,
  • abate,
  • finite,
  • bobble,
  • detrimental,
  • subdue,
  • transcendental,
  • injurious,
  • alloy,
  • vulgarize,
  • soften up,
  • radical,
  • defile,
  • enfeeblement,
  • grievance,
  • aliquot,
  • hurt,
  • cloud,
  • mutilate,
  • curse,
  • degrade,
  • overshadow,
  • pamper,
  • destroy,
  • subtract,
  • retrench,
  • flub,
  • tweak,
  • fray,
  • extract,
  • deflower,
  • reduction,
  • loss,
  • sink,
  • abase,
  • violate,
  • bumble,
  • wreak havoc,
  • deactivate,
  • riddle,
  • injuriously,
  • disadvantageously,
  • stultify,
  • impossible,
  • poison,
  • disfigure,
  • vandalize,
  • differential,
  • decimal,
  • stunt,
  • corrode,
  • make worse,
  • negative,
  • derogation,
  • torment,
  • leach,
  • bilk,
  • soil,
  • infinity,
  • infect,
  • detract,
  • blunt,
  • menace,
  • outrage,
  • consume,
  • immobilize,
  • exacerbate,
  • abatement,
  • figurative,
  • mar,
  • break,
  • disparage,
  • disconfirming,
  • wear off,
  • chafe,
  • cardinal,
  • ravage,
  • devalue,
  • molest,
  • foresight,
  • tamper with,
  • cosset,
  • sole,
  • erode,
  • botch up,
  • disqualifying,
  • sophisticate,
  • damagingly,
  • rive,
  • discourage,
  • featherbed,
  • wrench,
  • tarnish,
  • mess-up,
  • Numerative,
  • distress,
  • undermined,
  • irrational,
  • disaffect,
  • fluff,
  • debase,
  • forethought,
  • use up,
  • aggravate,
  • pull down,
  • mishandle,
  • scathe,
  • foul-up,
  • reduce,
  • dirty,
  • exhaust,
  • fumble,
  • cross,
  • deplete,
  • envenom,
  • profane,
  • Empoison,
  • bollocks,
  • purify,
  • cocker,
  • abrade,
  • scar,
  • lesion,
  • deteriorate,
  • imperfect,
  • debilitate,
  • do wrong,
  • tear,
  • wreck,
  • threaten,
  • make useless,
  • persecute,
  • remove,
  • lower,
  • affect,
  • decrement,
  • deoxidize,
  • enervation,
  • singular,
  • thin,
  • jinx,
  • ruffle,
  • infinite,
  • bewitch,
  • logarithmic,
  • ordinal,
  • despoil,
  • taint,
  • bleed,
  • harass,
  • cut down,
  • ruinously,
  • pillage,
  • ruin,
  • indulge,
  • fraction,
  • misdirect,
  • afflict,
  • numerical,
  • demolish,
  • spoil,
  • overwork,
  • integer,
  • enervate,
  • weed,
  • clouding,
  • strain,
  • derogate,
  • disabling,
  • disqualify,
  • overrun,
  • shake,
  • dangerously,
  • cheapen,
  • incapacitating,
  • even,
  • prejudicial,
  • absolute,
  • hurtfully,
  • deprave,
  • dash,
  • blight,
  • real,
  • on the bum,
  • possible,
  • paralyse,
  • devaluate,
  • detract from,
  • impairment,
  • crippling,
  • pare,
  • prejudice,
  • shatter,
  • odd,
  • drawback,
  • wrong,
  • bugger,
  • rub,
  • wing,
  • contaminate,
  • lose strength,
  • abuse,
  • break down,
  • discolor,
  • deduct,
  • detrimentally,
  • go bad,
  • take from,
  • dilapidate,
  • wound,
  • irritate,
  • doom,
  • reciprocal,
  • Scath,
  • thin out,
  • wear,
  • disadvantage,
  • positive,
  • baby,
  • debauch,
  • preconception,
  • bungle,
  • drain,
  • unique,
  • worsen,
  • Labefy,
  • wear away,
  • disgust,
  • mischief,
  • curtail,
  • wear down,
  • tax,
  • maim,
  • destructive,
  • blow,
  • queer,
  • bollix up,
  • injustice,
  • gun for,
  • condemn,
  • bate,
  • unfit,
  • only,
  • alone,
  • waste,
  • blemish,
  • disenchant,
  • Disserve,
  • bollix,
  • wreak havoc on,
  • pair,
  • plunder,
  • vitiation,
  • ball up,
  • damage,
  • lessen,
  • inactivate,
  • stain,
  • rational,
  • subvert,
  • file away,
  • mischievous,
  • sabotage,
  • total,
  • savage,
  • conquer,
  • louse up,
  • Subduct,
  • dilute,
  • debilitative,
  • diminish,
  • emasculate,
  • downgrade,
  • mistreat,
  • eat away,
  • harm,
  • pull,
  • deform,
  • blot,
  • cut,
  • do evil,
  • do wrong by,
  • worse,
  • arithmetical,
  • detriment,
  • harmed,
  • bad,
  • flaw,
  • pervert,
  • spend,
  • maltreat,
  • Misshape,
  • nullify,
  • enervating,
  • integral,
  • sully,
  • corrupt,
  • hex,
  • prejudgment,
  • contraction,
  • refine,
  • figural,
  • shave,
  • electronegative,
  • befoul,
  • rough up,
  • defective,
  • withdraw,
  • aggrieve.

Antonyms for Impair:

• v.

  • harm, hinder
    strengthen, extend, mend, help, grow, improve, raise, permit, heal, invigorate, cure, repair, fix, enhance, assist, increase, enlarge, upgrade, develop, expand, aid.