Infirm

Adjective

 * 1) Weak or ill, not in good health.
 * He was infirm of body but still keen of mind, and though it looked like he couldn't walk across the room, he crushed me in debate.
 * 1) insecure; irresolute
 * 2) frail; unstable

Verb

 * 1) To contradict, to provide proof that something is not.
 * The thought is that you see an episode of observation, experiment, or reasoning as confirming or infirming a hypothesis depending on whether your probability for it increases or decreases during the episode.

Antonyms

 * confirm

Adverbs for Infirm
decrepitly; weakly; languidly; brokenly; defenselessly; helplessly; pitiably; unbelievably; horribly; lamentably; pathetically; nervously; powerlessly; shakily.

Thesaurus
Adamic, abulic, adrift, afloat, afraid, ailing, alternating, amorphous, anile, backsliding, cachectic, capricious, carnal, changeable, changeful, cowardly, crabbed, crippled, crumbling, dangerous, debilitated, decrepit, desultory, deviable, disintegrating, dizzy, doddered, doddering, doddery, drained, eccentric, enervated, enfeebled, erratic, erring, exhausted, failing, faint, fainthearted, fallen, faltering, fast and loose, feeble, feebleminded, fickle, fitful, fleshly, flickering, flighty, flimsy, flitting, fluctuating, fossilized, fragile, frail, freakish, gerontal, gerontic, giddy, hazardous, healthless, ill, impetuous, impulsive, impure, in poor health, inconsistent, inconstant, indecisive, indisposed, insecure, insubstantial, invalid, invertebrate, irregular, irresolute, irresponsible, lame, languishing, lapsed, mazy, mercurial, moody, moribund, mossbacked, moth-eaten, mummylike, of easy virtue, on the decline, pale, palsied, papery-skinned, peaked, peaky, peccable, perilous, pliable, poor, poorish, postlapsarian, precarious, prodigal, provisional, rambling, ravaged with age, recidivist, recidivistic, reduced, reduced in health, restless, rickety, risky, rotten, rotten at, roving, run to seed, run-down, rusty, scatterbrained, senile, shaky, shapeless, shifting, shifty, shriveled, shuffling, sick, sickly, slippery, soft, spasmodic, spineless, stricken in years, temporary, tentative, ticklish, timeworn, tottering, tottery, treacherous, unaccountable, unangelic, uncertain, unchaste, unclean, uncontrolled, undependable, undisciplined, unfaithworthy, unfirm, unfixed, ungodly, ungood, unhealthy, unpredictable, unreliable, unrestrained, unrighteous, unsaintly, unsettled, unsolid, unsound, unstable, unstable as water, unstaid, unsteadfast, unsteady, unsturdy, unsubstantial, unsure, untrustworthy, unvirtuous, unwell, vacillating, vagrant, valetudinarian, valetudinary, variable, vicissitudinary, vicissitudinous, virtueless, volatile, wandering, wanton, wasted, wavering, wavery, wavy, wayward, weak, weak-kneed, weak-minded, weak-willed, weakened, weakly, whimsical, wishy-washy, with low resistance, withered, wizened, wobbling, wobbly

Adjective

 * French:


 * Spanish: enfermizo; endeble


 * Spanish: inseguro

Verb

 * French: