Define successful. successful synonyms, successful pronunciation, successful translation, English dictionary definition of successful. adj. 1. Having a favorable outcome: a successful heart transplant.
achieving or having achieved success: She had become a very successful businesswoman. resulting in success: a successful attempt to quit smoking. suc•cess•ful•ly, adv.: successfully answered the next question.See -cess-. achieving or having achieved success. having attained wealth, position, honors, or the like.
successful (comparative more successful, superlative most successful) Resulting in success; assuring or promoting success; accomplishing what was proposed; having the desired effect. synonyms, antonyms quotations
