Find Synonyms

fail Synonyms

Another word for fail

Choosing another word for fail depends on context, so the 42 synonyms and similar words below are separated across 7 exact definitions and ranked by match strength.
JUMP TO:

• verb (Context 1)

To be unsuccessful in achieving a goal, completing a task, or passing an examination.

Usage Example

"The negotiators worked through the night, lest the peace talks flounder to produce an agreement."

Strong
flounder
founder
miscarry
fall short
flunk
fall flat
misfire
flop
bomb
collapse

• verb (Context 2)

To neglect or omit to do something expected, required, or promised.

Usage Example

"Several witnesses failed to appear at the scheduled hearing."

Strongest
neglect
omit
Strong
forget
forbear

• verb (Context 3)

To stop working properly, break down, or become weak and ineffective (especially of a machine, bodily organ, or faculty).

Usage Example

"The aircraft's backup generator kicked in immediately after the main power system failed."

Strongest
break down
malfunction
give out
Strong
die
conk out
falter
pack up
weaken
deteriorate
decline

• noun (Context 4)

A mark or grade indicating that a student has not achieved the minimum standard required to pass an examination or course.

Usage Example

"Missing the final project submission resulted in an automatic failure for the semester."

Strongest
failure
Strong
f

• verb (Context 5)

To disappoint, desert, or prove inadequate for someone in a time of need.

Usage Example

"Words failed her when she tried to express her gratitude to the rescue team."

Strongest
let down
disappoint
desert
Strong
abandon
forsake
betray

• verb (Context 6)

To judge a candidate or student as not having met the required standard in an examination or course.

Usage Example

"The examiner had no choice but to flunk the driver after he ran a red light."

Strongest
flunk
Strong
disqualify
reject

• noun (Context 7)

An embarrassing mistake, unsuccessful attempt, or disappointing outcome (used chiefly in informal contexts).

Usage Example

"Attempting to bake a three-tier cake without a recipe turned out to be a complete failure."

Strongest
failure
fiasco
flop
Strong
debacle
disaster
blunder
dud
washout
botch
catastrophe

Opposites of fail

The opposite of fail shifts depending on context. Common opposites include:

succeed
pass
success
win
work
function
stand by
support
See all opposites of fail

Cite this Entry


Wordmom. (2026). Synonyms for Fail. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/fail
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.