What does "unfit" mean?

Unfit: To make unsuitable or incompetent; to deprive of the strength, skill, or proper qualities for anything; to disable; to incapacitate; to disqualify; as, sickness unfits a man for labor; sin unfits us for the society of holy beings.

Additional senses

  1. 2.Not fit; unsuitable. -- Un*fit"ly, adv. -- Un*fit"ness, n.

Sources