武器の定義と意味 - メリアム・ウェブスター

WEAPON Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition noun verb noun 2 noun verb Example Sentences Word History Phrases Containing Entries Near Cite this Entry Citation Kids Definition Kids More from M-W Show more Show more Citation Kids More from M-W Save Word To save this word, you'll need to log in. Log In weapon 1 of 2 noun weap·​on ˈwe-pən Synonyms of weapon 1 : something (such as a club, knife, or gun) used to injure, defeat, or destroy 2 : a means of contending against another weapon 2 of 2 verb weaponed ; weaponing ; weapons transitive verb : arm Examples of weapon in a Sentence Noun assault with a deadly weapon The pitcher's slider is his most effective weapon . a new weapon in the fight against cancer The mayor's campaign unleashed its secret weapon . Recent Examples on the Web Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback . Noun The suspect was armed but did not pull his weapon at first, police sources said. — Kerry Burke, New York Daily News , 29 Apr. 2026 Outnumbered and armed with candy, wit and weapons , Pumpkin must ferociously fight back to survive the night. — Brent Lang, Variety , 29 Apr. 2026 Verb Potentially, starting as a kickoff/coverage teams weapon — 15 career tackles covering punts. — Eddie Brown, San Diego Union-Tribune , 17 Apr. 2026 Beijing fears that Washington will deploy the threat of powerful chokepoints and retaliatory measures of its own—the kind of U.S. leverage that would make Beijing hesitate before wielding its critical minerals weapon again. — Edward Fishman, Time , 21 Nov. 2025 See All Example Sentences for weapon Word History Etymology Noun Middle English wepen , from Old English wǣpen ; akin to Old High German wāffan weapon, Old Norse vāpn First Known Use Noun before the 12th century, in the meaning defined at sense 1 Verb before the 12th century, in the meaning defined above Time Traveler The first known use of weapon was before the 12th century See more words from the same century Phrases Containing weapon assault weapon beam weapon biological weapon chemical weapon murder weapon weapon of last resort weapon of mass destruction Browse Nearby Words weanyer weapon weaponeer See all Nearby Words Cite this Entry Style MLA Chicago APA Merriam-Webster “Weapon.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/weapon. Accessed 5 May. 2026. Copy Citation Kids Definition weapon noun weap·​on ˈwep-ən 1 : something (as a gun, knife, or club) used to injure, defeat, or destroy 2 : something with which one fights or struggles against another More from Merriam-Webster on weapon Thesaurus: All synonyms and antonyms for weapon Nglish: Translation of weapon for Spanish Speakers Last Updated: 30 Apr 2026 - Updated example sentences Love words? Need even more definitions? Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Merriam-Webster unabridged More from Merriam-Webster Word of the Day augur See Definitions and Examples » Get Word of the Day daily email! Popular in Grammar & Usage See More More Commonly Mispronounced Words 5 Verbal Slip Ups and Language Mistakes Is that lie 'bald-faced' or 'bold-faced'? The Difference Between 'i.e.' and 'e.g.' Why is '-ed' sometimes pronounced at the end of a word? See More Popular in Wordplay See More The Longest Long Words List 9 Other Words for Beautiful The Words of the Week - May 1 Why do we 'bury the lede?' 10 Words for Food with Unfortunate-Sounding Names See More Popular See More More Commonly Mispronounced Words The Longest Long Words List 9 Other Words for Beautiful See More Games & Quizzes See All Quordle Can you solve 4 words at once? Play Blossom Pick the best words! Play The Missing Letter A daily crossword with a twist Play Name That Tree! A quiz that’s all bark, no bite. Take the quiz See All