unusual
Americanadjective
adjective
Other Word Forms
Etymology
Origin of unusual
Explanation
Something unusual is uncommon. It's odd, weird, or out of the ordinary in some way. Unusual is the opposite of usual, thanks to the prefix un, meaning "not." Unusual things are noteworthy: you don't see them every day. A dog chasing a squirrel is usual. A squirrel chasing a dog would be unusual. Unusual can mean strange and bizarre, or just things that are rare. If someone is always absent, showing up would be unusual. Most surprising things are unusual.
Vocabulary lists containing unusual
List 7
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Strange
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The region is also unusual because its peak energy demand comes in the winter; most of the rest of California peaks in the summer, when air conditioners are on full blast.
From Los Angeles Times • May 19, 2026
At 56, the Los Angeles native took an unusual route to becoming an artist.
From Los Angeles Times • May 18, 2026
The discovery began when Aaron Bean, a professional horticulturalist who was helping band birds on a large outback property in Queensland, noticed an unusual plant growing in the landscape.
From Science Daily • May 18, 2026
If Massie's campaign team made for a strange assortment, those in the audience were an even more unusual collection.
From BBC • May 18, 2026
Not even a hint of pity, which was unusual.
From "Boy 2.0" by Tracey Baptiste
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.