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.

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, or …

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 insufficient.

If you fail or fail to do something that you were trying to do, you do not succeed in doing it.

What is another word for fail? Need synonyms for fail? Here's a list of similar words from our thesaurus that you can use instead. Contexts Verb To fail, especially in spectacular fashion

Synonyms for FAIL: die, crash, stall, break, cut out, give out, break down, sputter; Antonyms of FAIL: start (up), succeed, go, deliver, click, work out, go over, come off