megadeath

noun
mega·​death | \ -ˌdeth \

Definition of megadeath

: one million deaths usually used as a unit in reference to nuclear warfare

First Known Use of megadeath

1953, in the meaning defined above

Keep scrolling for more

Learn More about megadeath

Statistics for megadeath

Look-up Popularity

Time Traveler for megadeath

The first known use of megadeath was in 1953

See more words from the same year

More from Merriam-Webster on megadeath

Rhyming Dictionary: Words that rhyme with megadeath

Comments on megadeath

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

WORD OF THE DAY

to express emotion in a dramatic way

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

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!