insufficient Synonyms

inadequate deficient scanty insubstantial paltry incompetent wanting scant meagre meager limited lacking thin not enough scarce slight too little sparse short unfruitful unsufficient substandard weak slender sketchy unfrequent stinting stingy trifling unable unaccomplished uncomprehensive small unequal unfinished unfit unfitted bitty skimpy subpar uncharged uncompleted unconsummated unconvincing ungratifying unpersuasive unreached too small not good enough too few