• synonyms

preventive war

See more synonyms for preventive war on Thesaurus.com
noun Military.
  1. an attack against a possible enemy to prevent an attack by that enemy at a later time.
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Origin of preventive war

First recorded in 1630–40
Also called preemptive strike.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018