UNSUCCESSFUL
Source: 566, 567
unsuccessful. Unsuccessful, a. not successful, unfortunate
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Un′suc‐cess″ful (?), a. 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.