Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

weapon

play
noun weap·on \ˈwe-pən\

Simple Definition of weapon

  • : something (such as a gun, knife, club, or bomb) that is used for fighting or attacking someone or for defending yourself when someone is attacking you

  • : something (such as a skill, idea, or tool) that is used to win a contest or achieve something

Source: Merriam-Webster's Learner's Dictionary

Full Definition of weapon

  1. 1 :  something (as a club, knife, or gun) used to injure, defeat, or destroy

  2. 2 :  a means of contending against another

Examples of weapon in a sentence

  1. assault with a deadly weapon

  2. The pitcher's slider is his most effective weapon.

  3. a new weapon in the fight against cancer

  4. The mayor's campaign unleashed its secret weapon.



Origin of weapon

Middle English wepen, from Old English wǣpen; akin to Old High German wāffan weapon, Old Norse vāpn


First Known Use: before 12th century

Other Weapons and Explosives Terms


2

weapon

verb weap·on

Definition of weapon

  1. transitive verb
  2. :  arm



Before 12th Century

First Known Use of weapon

before 12th century



WEAPON Defined for Kids

weapon

play
noun weap·on \ˈwe-pən\

Definition of weapon for Students

  1. :  something (as a gun, knife, or club) to fight with





Seen and Heard

What made you want to look up weapon? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a smart aleck

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

angry maudlin oily prompt
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ