imperfect

broken, not working

of, like, grains

coarse

not yet fully developed; too soon (because not ready)

young, inexperienced

having faults; not complete

flawed

not artistic

crude, primitive

(of evidence, arguments, discussions) not decisive or convincing

up in the air

not sufficient

not enough; lacking

not enough

small, inadequate; poor

continuing; in progress

continuous

forming only a part; not complete

incomplete

(with clothes) badly torn or in rags; having rough or irregular edges or outlines or surfaces

worn-out; in shreds

(of surfaces) not level, smooth or polished; not calm, with uncomfortable movements; not gentle; acting violently

uneven, irregular

(having) hardly enough

meager

not yet having made up one's mind

not sure, not definite

of undo; not finished

not done

uneven, irregular

uneven, irregular

having lived a short time; having existed for a short time; still near its beginning; young people; children

immature