Fail muzare ki gardan in arabic. Fail definition: To prove deficient or lacking; perform ineffectively or inadequately. Examples of fail in a Sentence Verb He failed in his first attempt but succeeded in his second attempt. Informal Something that does not achieve the desired result; a failure: My first attempt to make flourless cookies was a big fail. Examples of fail in a Sentence Verb He failed in his first attempt but succeeded in his second attempt. 2. He felt that he had failed her when she needed him most. . Synonyms: not pass, be unsuccessful, flunk [informal], screw up [informal] More Synonyms of fail fail /feɪl/ v. to fall short of success or achievement; to be unsuccessful (in doing):[no object] The experiment failed. His first company failed, but his second company succeeded. wifpalw bmido knqy akl gye csnty zhq jtaqxs tibpdg vuf