Definitions for unsuccessful
Random House Webster's College Dictionary
not successful; having failed or having an unfavorable outcome
abortive, stillborn, unsuccessful(adj)
failing to accomplish an intended result
"an abortive revolt"; "a stillborn plot to assassinate the President"
Kernerman English Learner's Dictionary
an unsuccessful attempt to climb Mt. Everest; She felt she had been unsuccessful in her career.; We tried, unsuccessfully, to get her to come along.
Failed, not successful.
His unsuccessful attempt earned him sympathy, condolences...and an occasional good-natured ribbing.
not successful; not producing the desired event; not fortunate; meeting with, or resulting in, failure; unlucky; unhappy
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