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.

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.

Synonyms: not pass, be unsuccessful, flunk [informal], screw up [informal] More Synonyms of fail

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

The verb fail describes something that stops working, like brakes in a car that fail, or is found to be unacceptable, like restaurants that fail their inspection for cleanliness.

Nov 22, 2025 · fail (third-person singular simple present fails, present participle failing, simple past and past participle failed) (intransitive) To be unsuccessful. quotations Throughout my life, I …

FAIL meaning: 1 : to not succeed to end without success followed by to + verb; 2 : to not succeed as a business to become bankrupt

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

Cultural historian Scott Sandage argues that the concept of failure underwent a metamorphosis in the United States over the course of the 19th century. Initially, Sandage notes, financial failure, …