01 a. Not firm or sound; weak; feeble; as, an infirm body; an infirm constitution.
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1.
Not firm or sound; weak; feeble; as, an infirm body; an infirm constitution.“A poor, infirm, weak, and despised old man.” — Shak.
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2.
Weak of mind or will; irresolute; vacillating.“Infirm of purpose!” — Shak.
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3.
Not solid or stable; insecure; precarious.“He who fixes on false principles treads or infirm ground.” — South.
Syn.
Debilitated; sickly; feeble; decrepit; weak; enfeebled; irresolute; vacillating; imbecile.