Open English Wordnet
Verbs
Adjectives
(a)unfitbelow the required standards for a purpose“an unfit parent”,
“unfit for human consumption” (a)unfitnot in good physical or mental condition; out of condition“fat and very unfit”,
“certified as unfit for army service”,
“drunk and unfit for service” (s)bad, unfit, unsoundphysically unsound or diseased“has a bad back”,
“a bad heart”,
“bad teeth”,
“an unsound limb”,
“unsound teeth”