The meaning of FAIL is to lose strength : weaken. How to use fail in a sentence.

FAIL definition: 1. to not succeed in what you are trying to achieve or are expected to do: 2. if none of our plans…. Learn more.

FAIL definition: to fall short of success or achievement in something expected, attempted, desired, or approved. See examples of fail used in a sentence.

1. A failing grade: The student received a fail on the final paper. 2. Informal Something that does not achieve the desired result; a failure: My first attempt to make flourless cookies was a big fail.

fail (fāl), v.i. to fall short of success or achievement in something expected, attempted, desired, or approved: The experiment failed because of poor planning.

Many of us have tried to lose weight and failed miserably. [VERB] The truth is, I'm a failed comedy writer really. [VERB-ed] If an activity, attempt, or plan fails, it is not successful. We tried to …

Jul 24, 2025 · ‘Fail’ means to be unsuccessful in doing something, to not achieve a desired result, or to break down in function or responsibility. It also can mean to stop working or to be …

The meaning of fail. Definition of fail. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.

Definition of fail verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

fail definition: be unsuccessful in achieving a goal. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "without fail", "fail fast", …