infirm

infirm (Irresolute), adjective changeable, easily led, faint-hearted, faltering, fickle, inconstant, indecisive, pliable, precarious, undecided, undetermined, unresolved, unstable, unsteady, untrustworthy, vacillating, wavering

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infirm (Weak), adjective ailing, debilitated, defective, deteriorated, enfeebled, failing, feeble, flimsy, fragile, frail, frangible, helpless, imperfect, impotent, insecure, languid, nonsubstantial, powerless, sickly, wasted, weakened, withered, worn

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See also: defective, imperfect, insecure, insubstantial, nonsubstantial, powerless, precarious, unsound

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INFIRM. Weak, feeble.
     2. When a witness is infirm to an extent likely to destroy his life, or to prevent his attendance at the trial, his testimony de bene esge may be taken at any age. 1 P. Will. 117; see Aged witness.; Going witness.