Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

nuclearism

noun
nuclear·​ism
plural -s

Definition of nuclearism

: dependence on or faith in nuclear weapons as the means for maintaining national security

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of nuclearism

1960, in the meaning defined above

Keep scrolling for more

Learn More about nuclearism

Statistics for nuclearism

Look-up Popularity

Time Traveler for nuclearism

The first known use of nuclearism was in 1960

See more words from the same year

Comments on nuclearism

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

Show Comments  Hide Comments 

WORD OF THE DAY

demeanor

Listen to the pronounciation of demeanor

behavior toward others

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Add Diction

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!

Words at Play
Ask the Editors
Word Games