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Definitions

fault

[fawlt] / fɔlt /
NOUN
blame, sin; mistake
Synonyms
STRONGEST
blunder crime defect error failing flaw guilt indiscretion lapse liability misconduct miscue misdeed negligence offense omission oversight responsibility transgression weakness wrong wrongdoing
STRONG
accountability answerability culpability delinquency dereliction foible frailty impropriety inaccuracy infirmity malfeasance malpractice misdemeanor onus slip slipup solecism trespass vice
WEAK
evildoing loss of innocence peccancy
Antonyms
STRONGEST
accuracy advantage behavior care correction good deed irresponsibility kindness obedience perfection remembrance right strength strong point success
STRONG
correctness propriety
WEAK
benefit blessing good soundness
NOUN
physical defect
Synonyms
STRONGEST
deficiency flaw imperfection lack shortcoming weakness
STRONG
blemish debility demerit infirmity pimple zit
WEAK
weak point
Antonyms
STRONGEST
enough perfection plenty strong point
STRONG
strength
WEAK
advantage benefit blessing correctness good soundness

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In this case, an Old World hantavirus was at fault, not the Andes strain that’s responsible for the outbreak on the cruise ship.

From MarketWatch • May 8, 2026

Major disruption is expected on some rail services in southern England until the end of the day after a radio fault, Network Rail has said.

From BBC • May 7, 2026

Spirit had another recent problem that wasn’t its fault: the defective engines on the Airbus planes.

From Slate • May 5, 2026

There are many fault systems that crisscross the California-Nevada border, and one area scientists worry about is the Lake Tahoe Basin, according to Christie Rowe, director of the Nevada Seismological Laboratory.

From Los Angeles Times • May 4, 2026

“It’s not your fault, Mamá, and we will be together soon. And you’re not sending me away. I’m choosing to go.”

From "Across So Many Seas" by Ruth Behar

Vocabulary lists containing fault

The Smashing Lexicon of Tennis

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Brace Yourself: Earthquake Words

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Super Seismic: Words for Volcanoes and Earthquakes

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!