Advertisement - Continue reading below

Definition of "self-defense" []

  • Defense of oneself when physically attacked: took a course in self-defense. (noun)
  • Defense of what belongs to oneself, as one's works or reputation. (noun)
  • Law The right to protect oneself against violence or threatened violence with whatever force or means are reasonably necessary. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "self-defense" in a sentence
  • "From the perspective of the fundamental national security of the United States, this action is legitimately viewed as an expression of self-defense."
  • "• Eye For A Head Bill: A bill that will allow Texan citizens to respond to personal attacks with exponential force in the name of self-defense."
  • "It justifies the actions in the name of self-defense, "to prevent any future acts of international terrorism" against the U.S."