feeble or weak in body or health, especially because of age; ailing. unsteadfast, faltering, or irresolute, as persons or the mind; vacillating: infirm of purpose.

What does it mean if someone is infirm?

1 : of poor or deteriorated vitality especially : feeble from age. 2 : weak of mind, will, or character : irresolute, vacillating. 3 : not solid or stable : insecure.

What does legally infirm mean?

In a legal sense, the term infirmity is used to mean any imperfection that renders a particular transaction void or incomplete. For example, if a deed drawn up to transfer ownership of land contains an erroneous description of it, an infirmity exists in the transaction.