unsuccessful
a. வெற்றியுறாத, பயனற்ற.
Synonyms
Un`suc*cess"ful, a. Defn: Not successful; not producing the desired event; not fortunate; meeting with, or resulting in, failure; unlucky; unhappy. -- Un`suc*cess"ful*ly, adv. -- Un`suc*cess"ful*ness, n.