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.

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 …

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 …

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.

Feb 23, 2026 · 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 opposite sides of …

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

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

1 day ago · Learn what fault lines are, how they form, the different types of faults, and how they cause earthquakes.

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.

Mar 14, 2026 · Noun fault (plural faults) (typically uncountable) Culpability; the responsibility for a blameworthy event.