| Unsuccessful (a.) Not successful; not producing the desired event; not fortunate; meeting with, or resulting in, failure; unlucky; unhappy. Thesaurus Entries abortive, balked, beaten, bootless, cursed, defeated, foiled, fruitless, frustrated, hapless, ineffective, ineffectual, inefficacious, luckless, sterile, unavailing, unfortunate, unfruitful, unlucky, unproductive, unprofitable, useless, vain, worthless |