countermeasure

noun coun·ter·mea·sure \ ˈkau̇n-tər-ˌme-zhər , -ˌmā- \
|Updated on: 19 Jul 2018

Definition of countermeasure

: an action or device designed to negate or offset another
  • The most well-known countermeasure by a physician is a malicious-persecution suit against the lawyer who sued him and failed to prove a case.
  • —William J. Curran
  • The Germans had developed a tricky magnetic mine, but the British had developed a countermeasure for this even before the mine was used.
  • —Bernard Brodie and Fawn M. Brodie
especially : electronic countermeasure

Recent Examples of countermeasure from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'countermeasure.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of countermeasure

1923

in the meaning defined above

See Words from the same year
NEW! Time Traveler

COUNTERMEASURE Defined for English Language Learners

countermeasure

Definition of countermeasure for English Language Learners

  • : an action or device that is intended to stop or prevent something bad or dangerous



Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

in proportion

Get Word of the Day daily email!

Test Your Vocabulary

Test Your Emoji Exceptionalism

  • test-your-emoji-exceptionalism-written-with-a-lot-of-emoji
  • What is this emoji intended to represent: 🤳
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Bee Cubed

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

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!