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 …

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

In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements.

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

A fault in someone or something is a weakness in them or something that is not perfect. His manners had always made her blind to his faults.

What is a fault and what are the different types? A fault is a fracture or zone of fractures between two blocks of rock. Faults allow the blocks to move relative to each other. This movement may …

Nov 11, 2025 · fault, in geology, a planar or gently curved fracture in the rocks of Earth’s crust, where compressional or tensional forces cause relative displacement of the rocks on the …

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

Dec 14, 2025 · Compare French faute (“fault, foul”), Portuguese falta (“lack, shortage”) and Spanish falta (“lack, absence”). More at fail, false.

Definition of fault noun from the Oxford Advanced Learner's Dictionary. [uncountable] the responsibility for something wrong that has happened or been done. Why should I say sorry …