Synonyms and related words :
asymmetric, base, defective, deficient, disappointing, disheartening, disparate, displeasing, disproportionate, dissatisfactory, failing, found wanting, half-assed, ill-matched, ill-sorted, imperfect, inadequate, incommensurate, incompetent, incomplete, inferior, irregular, lacking, little, maladroit, mean, mediocre, minus, mismatched, not comparable, not enough, not good enough, not in it, odd, out of it, out of proportion, petty, scant, scanty, scarce, shabby, short, short of, shy, skew, skewed, small, too little, trivial, unequal, unequal to, uneven, unfulfilling, ungratifying, unqualified, unreached, unsatisfactory, unsatisfying, unskillful, unsufficing, wanting