unfit
definition: not in good physical or mental condition
example:
speech part: adjective
synonyms:
definition: below the required standards for a purpose
example: an unfit parent
speech part: adjective
synonyms:
definition: physically unsound or diseased
example:
speech part: adjective
synonyms:
unsound
definition: make unfit or unsuitable
example:
speech part: verb
synonyms:
indispose
disqualify