out of element

ill-equipped inadequate inappropriate unhealthy unlikely unsuitable unsuited useless

debilitated down dragging mistaken

below par can't make the grade decrepit discordant feeble flimsy ill-adapted ill-suited improper inapplicable incompatible incongruous incorrect ineffective inexpedient infelicitous inharmonious laid low not fit out of place out of shape poorly rocky unbecoming uncongenial uncool unmeet unpromising valueless

appropriate proper suitable

able fit qualified willing