fail 1 of 2 verb ˈfā (ə)l 1 a : to lose strength : weaken failing eyesight b : to stop functioning the engine failed 2 a : to fall short failed in their duty b : to become absent or lacking the power …

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...

fail verb 1 as in to die to stop functioning my car failed just as I was about to head to work Synonyms & Similar Words Relevance die crash break stall cut out break down give out fizzle malfunction sputter conk (out) wheeze act up jam Antonyms & Near Antonyms start (up) 2 as in to collapse

an embarrassing or humorous mistake, humiliating situation, etc., that is subject to ridicule and given an exaggerated... the condition or quality resulting from having failed in this way: His online post is full of fail. a person who fails in this way.

fail verb (EXAM) A2 [ I or T ] to be unsuccessful, or to judge that someone has been unsuccessful, in a test or exam: UK I passed in history but failed in chemistry. US I passed …

failed, failing, fails To be lacking or insufficient; fall short. The water supply is failing. Webster's New World Similar definitions To be unsuccessful. An experiment that failed. American …

fail verb (EXAM) A2 [ I or T ] to be unsuccessful, or to judge that someone has been unsuccessful, on a test or exam: UK I passed in history but failed in chemistry. US I passed …