whiteout

noun

white·​out ˈ(h)wīt-ˌau̇t How to pronounce whiteout (audio)
: 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 on the Web The roadway remained closed Monday morning after the icy mix turned to blowing snow and created whiteout conditions. Robert Shackelford, CNN, 25 Mar. 2024 Social media imagery from Waterloo, Iowa, verified by NBC News showed near whiteout conditions before sunset. Mirna Alsharif, NBC News, 25 Mar. 2024 Parts of the region under blizzard warnings could see whiteout conditions and wind gusts in excess of 50 mph. USA TODAY, 24 Mar. 2024 The massive storm shuttered Highway 395 from Southern California to Mammoth Mountain and Interstate 80 to the northern Lake Tahoe area for much of the weekend because of whiteout conditions. Rong-Gong Lin Ii, Los Angeles Times, 4 Mar. 2024 Related article Rare blizzard conditions batter California mountains with heavy snow and powerful winds, making travel dangerous The most extreme conditions are unfolding at the highest elevations, with whiteout conditions and hurricane-force winds in the Sierra Nevada. Susannah Cullinane, CNN, 3 Mar. 2024 Crews worked through the day to try and clear the massive amounts of snow along I-80, where authorities had abandoned hope Friday night amid howling winds and whiteout conditions. Sacramento Bee, 3 Mar. 2024 Near whiteout conditions right now on Donner Pass Road up along the shores of Donner Lake. Ethan Baron, The Mercury News, 3 Mar. 2024 Snowfall rates will approach 2-4 inches per hour with whiteout conditions and near-zero visibility at times. Nicholas Merianos, CBS News, 1 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'whiteout.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

white entry 1 + -out (in blackout)

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of whiteout was in 1946

Dictionary Entries Near whiteout

Cite this Entry

“Whiteout.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/whiteout. Accessed 16 Apr. 2024.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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