Definition of Fail
Quick Meaning of Fail
To not succeed at a task or exam; to stop working properly.
Detailed Definition of Fail
To be unsuccessful in achieving something or to not do what is required.
How to Pronounce Fail
Stress pattern: O (1-syllable word).
Tip: One syllable, pronounced /feɪl/; the vowel sound is 'ay' as in 'say'.
Origin and Etymology of Fail
From Old French faillir, from Vulgar Latin fallīre (to deceive, disappoint).
How to Use Fail in a Sentence
Each example shows “fail” with a CEFR level so learners can pick examples that match their fluency.
-
“He studied hard but still failed the difficult exam.”
-
“The negotiations failed because both sides couldn't agree.”
-
“If the engine fails while driving, pull over safely.”
Synonyms and Antonyms of Fail
Common Synonyms for Fail
Smart Synonyms for Fail — When to Use Each
- flunk
- specifically for not passing a test or course
- collapse
- when a plan or system completely stops working
- break down
- when equipment or machinery stops functioning properly
Antonyms of Fail
Common Collocations with Fail
These phrases pair with “fail” in everyday English:
- fail an exam
- fail a test
- fail to do something
Common Mistakes When Using Fail
Even fluent speakers slip up with “fail”. Here’s how to avoid the most common errors:
- ✗ Wrong: She failed her to pass the test because she was absent.
- ✓ Correct: She failed to pass the test because she was absent.
- Why: Use 'fail to do' not 'fail her to'; 'fail to' is the correct structure.
- ✗ Wrong: He fail the exam last month.
- ✓ Correct: He failed the exam last month.
- Why: Third person singular or past tense requires -ed ending; use 'failed'.
Other Forms of Fail
Frequently Asked Questions About Fail
What is the meaning of "Fail"?
To not succeed at a task or exam; to stop working properly.
How do you pronounce "Fail"?
The IPA is /feɪl/. One syllable, pronounced /feɪl/; the vowel sound is 'ay' as in 'say'.
What part of speech is "Fail"?
"Fail" is a verb at A1 level (Common European Framework).
What are synonyms for "Fail"?
Common synonyms include flunk, collapse, break down.
How do you use "Fail" in a sentence?
For example: "He studied hard but still failed the difficult exam."