Inadequate

imperfect deficient faulty incomplete lacking poor short weak bare minus small thin lame scarce skimpy sparse dry feeble scanty sterile stunted incompetent insufficient depleted failing inapt unequal minus meager inappreciable inconsiderable insubstantial impotent found wanting not enough too little junk lousy lemon bush-league glitch incommensurate incapable unqualified unproductive miserly niggardly parsimonious stinted spare low