An unfit or incompetent person. Obsolete.

An ineffective person; one unfit for work or service.

An incompetent person.

An inefficient person.

An incapable, worthless, or stupid person.

An incompetent or stupid person; a contemptible person (esp. with reference to low social status).

colloquial (originally U.S. Military slang). A person who (habitually) makes a mess of things; an incompetent or bungling person.

An inadequate person; one whose personality is in some way insufficient to meet the expectations of society.

A talentless or incompetent person.

= spastic, n. 2 (see also quot. 1977).

colloquial (originally and chiefly British). In extended use: any person deemed to lack the competence, skills, etc., required to carry out a task…