unfit

Synonyms: below par can’t make the grade debilitated decrepit discordant down dragging feeble flimsy ill-adapted ill-equipped ill-suited improper inadequate inapplicable inappropriate incompatible incongruous incorrect ineffective inexpedient infelicitous inharmonious laid low mistaken not fit out of element out of place out of shape poorly rocky unbecoming uncongenial uncool unhealthy unlikely unmeet unpromising unsuitable unsuited useless valueless

Antonyms: appropriate fit suitable

Synonyms: amateur awkward blundering bungling bush league butter-fingered clumsy debilitated disqualified feeble heavyhanded ill-equipped impotent inadequate incapable incapacitated incompetent ineffective inefficient ineligible inept inexperienced inexpert maladjusted maladroit no good not cut out for not equal to not up to unable unapt unfitted unhandy unpracticed unprepared unproficient unqualified unskilled unskillful untrained useless weak

Antonyms: able fit qualified ready willing