vis major

Definitions

  • WordNet 3.6
    • n vis major a natural and unavoidable catastrophe that interrupts the expected course of events "he discovered that his house was not insured against acts of God"
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Webster's Revised Unabridged Dictionary
    • Vis major (Law) A superior force which under certain circumstances is held to exempt from contract obligations; inevitable accident; -- a civil-law term used as nearly equivalent to, but broader than, the common-law term act of Godwhich see).
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Etymology

Webster's Revised Unabridged Dictionary
L. major, greater