definition of
unfit

[1] #1 unfit a. below the required standards for a purpose; "an unfit parent"; "unfit for human consumption". wn

[2] #2 unfit v. [disqualify, indispose] make unfit or unsuitable; "Your income disqualifies you". wn

[3] #3 unfit a. not in good physical or mental condition; out of condition; "fat and very unfit"; "certified as unfit for army service"; "drunk and unfit for service". wn

[4] #4 unfit s. [bad, unsound] physically unsound or diseased; "has a bad back"; "a bad heart"; "bad teeth"; "an unsound limb"; "unsound teeth". wn