Definition of whiteout
: a surface weather condition in a snow-covered area (such as a polar region) in which no object casts a shadow, the horizon cannot be seen, and only dark objects are discernible; also : a blizzard that severely reduces visibility
Examples of whiteout in a Sentence
We got caught in a whiteout.
Recent Examples of whiteout from the Web
Driving fast in a whiteout dust fog is an excellent way to get killed.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'whiteout'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of whiteout
white + blackout
First Known Use: 1946See Words from the same year
WHITEOUT Defined for English Language Learners
Definition of whiteout for English Language Learners
: a type of snowstorm in which blowing or falling snow and clouds make it very difficult to see
Learn More about whiteout
Seen and Heard
What made you want to look up whiteout? Please tell us where you read or heard it (including the quote, if possible).