To save this word, you'll need to log in.
Definition of fallout shelter
: a shelter built underground to protect people from radioactive fallout
Beginning in the 1970s, curious tales began to emerge from Washington, D.C., about a "doomsday hotel." Located near the nation's capital, it was said to be the ultimate fallout shelter. But only for the well-connected. — Popular Mechanics
Keep scrolling for more
Comments on fallout shelter
What made you want to look up fallout shelter? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Pass the Little Ribbons: A Pasta Word Quiz
- Match the pasta to its meaning in English: Rotelle
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- Pass the Little Ribbons: A Pasta Word Quiz
Match the pasta with its meaning in Italian.
Take the quiz - Confusing Words—A Quiz
Test your knowledge of these commonly confused words!
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Syn City
Build a city of skyscrapers—one synonym at a time.
Play the game
Share fallout shelter
Resources for fallout shelter