unconventional
Americanadjective
adjective
Other Word Forms
Etymology
Origin of unconventional
First recorded in 1830–40; un- 1 + conventional
Explanation
To be unconventional is to act, dress, speak, or otherwise exist out of the bounds of cultural norms. If you eat cheeseburgers for breakfast, that's somewhat unconventional. Anything that's nonconformist or out of the ordinary can be described as unconventional. Every culture has its own conventions — or norms — and what may be unconventional in one region might be typical in another. The perception of what's unconventional is determined by context.
Vocabulary lists containing unconventional
Power Prefix: un-
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100 SAT Words Beginning with "U"
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The Perks of Being a Wallflower
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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 solution to Henry Ford’s problems was unconventional, even radical.
From Barron's • May 20, 2026
Don’t miss: CoreWeave gets a $7 billion win from an unconventional customer.
From MarketWatch • May 19, 2026
But it had more than a splash of unconventional ingredients too.
From BBC • May 13, 2026
The researchers focused on topological quasicrystals, unusual materials that host unconventional quantum excitations.
From Science Daily • May 13, 2026
Foege was one of the people responsible for the eradication of smallpox in the world and was known to favor unconventional solutions to supposedly impossible problems.
From "Mountains Beyond Mountains" by Tracy Kidder and Michael French
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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.