: a fracture in the crust of a planet (such as the earth) or moon accompanied by a displacement of one side of the fracture with respect to the other usually in a direction parallel to the fracture
Frequent earthquakes have occurred along the San Andreas Fault.
fault implies a failure, not necessarily culpable, to reach some standard of perfection in disposition, action, or habit.
a writer of many virtues and few faults
failing suggests a minor shortcoming in character.
being late is a failing of mine
frailty implies a general or chronic proneness to yield to temptation.
human frailties
foible applies to a harmless or endearing weakness or idiosyncrasy.
an eccentric's charming foibles
vice can be a general term for any imperfection or weakness, but it often suggests violation of a moral code or the giving of offense to the moral sensibilities of others.
compulsive gambling was his vice
Examples of fault in a Sentence
Noun
Lack of courage is his worst fault.
If the book has a fault, it's that it's too long.
It's your own fault you missed that bus.
Through no fault of his own, he won't be able to attend the meeting.
She committed too many faults to win the match. Verb
The truck driver was faulted for the accident.
Many have faulted her for not acting sooner.
I can't fault him for trying to protect his family.
Recent Examples on the Web
Examples are automatically compiled from online sources to
show current usage.Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Noun
Turns out that falling for that $5 water bottle really is my fault.—Zach Wichter, USA Today, 9 Apr. 2025 Rice’s sale helped fund those moves and the scrutiny on West Ham’s recruitment since is not his fault; his legacy was leaving the club in a healthy position to sustain their finances.—Roshane Thomas, New York Times, 9 Apr. 2025
Verb
Few could fault Whitesell for seeking a fresh start with a focus on sports and live events.—Peter Kiefer, HollywoodReporter, 26 Mar. 2025 News of the highly sensitive breach quickly drew damning comments from Democrats who faulted the carelessness.—Alexis Simendinger, The Hill, 25 Mar. 2025 See All Example Sentences for fault
Word History
Etymology
Noun and Verb
Middle English faute, falte, from Anglo-French, from Vulgar Latin *fallita, from feminine of fallitus, past participle of Latin fallere to deceive, disappoint
Note:
Sometimes when fault is used in legal contexts it includes negligence, sometimes it is considered synonymous with negligence, and sometimes it is distinguished from negligence. Fault and negligence are the usual bases for liability in the law of torts.
2
: responsibility for an act or omission that causes damage or injury to another
Share