Synonyms to failing

abortive, barren, bootless, failed, fruitless, futile, gainless, immature, ineffective, ineffectual, inefficacious, lame, manque, miscarried, miscarrying, nonremunerative, of no effect, otiose, profitless, rewardless, sterile, stickit, stillborn, successless, unavailable, unavailing, unformed, unfortunate, unmatured, unproductive, unprofitable, unremunerative, unrewarding, unripe, unsuccessful, useless, vain, arrested, babbling, back, backward, behind, behindhand, belated, blithering, blocked, bridled, burbling, callow, caught, charmed, checked, coarse, constrained, controlled, crackbrained, cracked, crazy, cretinistic, cretinous, crude, curbed, defective, deficient, delayed, delayed-action, detained, dithering, driveling, drooling, embryonic, enchanted, enthralled, fascinated, fixed, gripped, guarded, half-baked, half-witted, held, held up, hung up, hypnotized, hypoplastic, idiotic, imbecile, imbecilic, impeded, in a bind, in abeyance, in arrear, in arrears, in check, in default, in embryo, in leading strings, in ovo, in remission, in short supply, in the rough, inadequate, incomple