unfit

Not meant or adapted for a given purpose; inappropriate.

Below the required standard; unqualified.

Not in good physical or mental health.

Unable to survive or produce viable offspring in a particular environment.

To cause to be unsuited or unqualified.

To make unsuitable; deprive of the proper or necessary qualifications for some act, activity, use, or purpose.

Not fit.

Not suited or adapted; not fitted.

Wanting suitable qualifications, physical or moral; not competent; unable: said of persons.

Synonyms Inapt. See apt.