malfunctioning, wrong, imperfectly, awry, nonfunctional, haywire, out of order, the matter, unproper, impropre, more...

correct, right, proper, appropriate

out of order, out of sorts, out of joint, out of kilter, out of whack, more...

much, little, great, serious, sore, come, drunk, fancy, longer, mickle, foul

something is off,   not as it should be,   does not feel right,   wrong off,   wrong or awry