D defs.my
Entry 4 senses · 2 variants Webster, 1913

Infirm

/(ĭn*fẽrm")/ · In·firm · IPA /ɪnˈfɜɹm/
01 a. Not firm or sound; weak; feeble; as, an infirm body; an infirm constitution.
  1. 1.
    Not firm or sound; weak; feeble; as, an infirm body; an infirm constitution.
    “A poor, infirm, weak, and despised old man.” Shak.
  2. 2.
    Weak of mind or will; irresolute; vacillating.
    Infirm of purpose!” Shak.
  3. 3.
    Not solid or stable; insecure; precarious.
    “He who fixes on false principles treads or infirm ground.” South.
02 v. t. To weaken; to enfeeble.
  1. 1.
    To weaken; to enfeeble.[Obs.]