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, 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.

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 occur …

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

We discussed the book's strengths and faults. [= weaknesses] If the book has a fault, it's that it's too long.

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.

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

Feb 21, 2026 · Noun fault (plural faults) (typically uncountable) Culpability; the responsibility for a blameworthy event.

Nov 5, 2025 · Faults are some of the most important structures in the Earth’s crust. They control earthquakes, influence mountain building, guide the flow of fluids and magma, and strongly affect …

Discover what a fault is, understand the different types of earthquake faults (seismic fracture or rupture) and how they can impact you. This comprehensive guide explores normal faults, reverse faults, …