Dictionary.com
Thesaurus.com
Synonyms

unconventional

American  
[uhn-kuhn-ven-shuh-nl] / ˌʌn kənˈvɛn ʃə nl /

adjective

  1. not conventional; not bound by or conforming to convention, rule, or precedent; free from conventionality.

    an unconventional artist; an unconventional use of material.

    Synonyms:
    atypical, idiosyncratic, individualistic, eccentric

unconventional British  
/ ˌʌnkənˈvɛnʃənəl /

adjective

  1. not conforming to accepted rules or standards

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

Keep Reading on Vocabulary.com

Vocabulary lists containing unconventional

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

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "unconventional" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com