Infirm

·adj Not solid or stable; insecure; precarious.

II. Infirm ·adj Weak of mind or will; irresolute; vacillating.

III. Infirm ·vt To Weaken; to Enfeeble.

IV. Infirm ·adj Not firm or sound; weak; feeble; as, an infirm body; an infirm constitution.