Fail

Definition

Fail refers to the inability to achieve a desired result, meet a standard, or fulfill an expectation. It can also mean to decline in strength, effectiveness, or functioning.

Parts of Speech

• Verb
• Noun

Pronunciation

American English

• IPA Pronunciation: /feɪl/
• Respelling: fayl

British English

• IPA Pronunciation: /feɪl/
• Respelling: fayl

Etymology

The word "fail" originates from the Old French "faillir," meaning "to be lacking" or "to miss," which itself derives from the Latin "fallere," meaning "to deceive" or "to disappoint." It entered Middle English in the 13th century, retaining its sense of falling short or not succeeding.

Derivatives

• Failure (noun)
• Failing (noun/adjective)
• Unfailingly (adverb)
• Fail-safe (adjective)
• Fallible (adjective)

Synonyms

• Flop
• Collapse
• Breakdown

Antonyms

• Succeed
• Accomplish
• Achieve

Usage

The word "fail" is often used in contexts of personal, professional, or technical shortcomings. For instance, "He didn’t want to fail the test," or "The engine began to fail after years of use." It is also widely used informally, particularly in digital culture, to describe humorous or unexpected mistakes.

Related Terms

• Failure: The state of not meeting expectations or goals.
• Fallible: Capable of making mistakes or being wrong.
• Flaw: A defect or shortcoming.

Detailed Definitions

Verb

• To not achieve a desired goal or result: Used in contexts where an attempt is unsuccessful.
  • Example: "The plan to improve sales failed due to poor execution."
• To cease functioning or break down: Often used for machines or systems.
  • Example: "The brakes failed during the drive."
• To lack the strength or ability to perform: Refers to physical or emotional shortcomings.
  • Example: "His courage failed him in the critical moment."

Noun

• An instance of not succeeding: Informally used to describe a lack of success or a mistake.
  • Example: "The project was a complete fail."