unfit adj.
1 unsuitable for sth/not capable of sth
VERBS be, look | become | make sb/sth, render sb/sth His conduct made him unfit to act as director of a company. | consider sb/sth, declare sb/sth, deem sb/sth, find sb/sth The house was declared quite unfit for human habitation.
ADV. completely, quite, totally, wholly | medically, mentally, physically
PREP. for completely unfit for our purposes She was found unfit for work.
2 not in good physical health
VERBS be, feel, look, seem | become
ADV. very | completely, quite | slightly