Infirm
Infirm (in*fẽrm") , adjective
[Latin infirmus: compare French infirme. See In- not, and Firm, a.]
1.
Not firm or sound; weak; feeble; as, an infirm body; an infirm constitution.
A poor, infirm, weak, and despised old man.
2.
Weak of mind or will; irresolute; vacillating.
An infirm judgment.
Infirm of purpose!
3.
Not solid or stable; insecure; precarious.
He who fixes on false principles treads or infirm ground.
Infirm , transitive verb
[Latin infirmare: compare French infirmer.]
To weaken; to enfeeble. [Obsolete] — Sir W. Raleigh