Strategic Defense Initiative love

Help Wordnik hunt for a million missing words by backing our Kickstarter!

Strategic Defense Initiative


from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. A system proposed by U.S. President Ronald Reagan on March 23, 1983, to use ground-based and space-based systems to protect the United States from attack by strategic nuclear ballistic missiles. Abbreviation: SDI.


Sorry, no etymologies found.


Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.