fault, failing, frailty, foible, vice mean an imperfection or weakness of character. fault implies a failure, not necessarily culpable, to reach some standard of perfection in disposition, action, or habit.

To seek, find, and complain about faults; criticize: found fault with his speech. To an excessive degree: generous to a fault.

FAULT definition: 1. a mistake, especially something for which you are to blame: 2. a weakness in a person's…. Learn more.

If a bad or undesirable situation is your fault, you caused it or are responsible for it. There was no escaping the fact: it was all his fault.

Jan 20, 2026 · Noun fault (plural faults) (typically uncountable) Culpability; the responsibility for a blameworthy event.

In the context of geology, a fault is a fracture or break in the Earth's crust along which movement and displacement occur. It is a result of tectonic forces and can lead to earthquakes and the formation of …

Fault is the common word used to refer to any of the average shortcomings of a person; when it is used, condemnation is not necessarily implied: Of his many faults the greatest is vanity.

A fault is a flaw, imperfection, defect, or deficiency. In geology, it refers to a fracture or discontinuity in the Earth's crust where significant displacement has occurred.

Fault definition: Responsibility for a mistake or an offense; culpability.

FAULT definition: a defect or imperfection; flaw; failing. See examples of fault used in a sentence.