INFIRM, a. inferm'. [L. infirmus; in and firmus.]
1. Not firm or sound; weak; feeble; as an infirm body; an infirm constitution.2. Weak of mind; irresolute; as infirm of purpose.3. Not solid or stable. He who fixes on false principles, treads on infirm ground.INFIRM, v.t. inferm'. To weaken. [Not used.]