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  1. FAULT Definition & Meaning - Merriam-Webster

    5 days ago · 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.

  2. FAULT | definition in the Cambridge English Dictionary

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

  3. FAULT Definition & Meaning | Dictionary.com

    A fault is an error caused by ignorance, bad judgment or inattention. If you're a passenger, it might be your fault that your friend missed the exit, if you were supposed to be watching for it, not sleeping.

  4. Fault (geology) - Wikipedia

    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.

  5. FAULT definition in American English | Collins English Dictionary

    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.

  6. Types of Faults With Photos - Geology In

    Fault is a fracture in the Earth's crust where blocks of rock have moved past each other due to tectonic forces. This movement is the primary cause of earthquakes and plays a fundamental role in shaping …

  7. Fault - definition of fault by The Free Dictionary

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

  8. What is a fault and what are the different types? - USGS.gov

    Apr 8, 2025 · 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 …

  9. Fault | Definition & Types | Britannica

    May 6, 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 …

  10. Types of Faults and How They Trigger Earthquakes

    Jan 16, 2026 · A fault is a fracture in Earth’s crust along which the rocks on either side have moved. Unlike a simple crack, a fault always involves displacement —the blocks shift relative to each other.