The meaning of UNCONVENTIONAL is not conventional : not bound by or in accordance with convention : being out of the ordinary. How to use unconventional in a sentence.

It is capable of producing highly unconventional designs that are perfectly rational, and often better adapted to their purpose than the conventional solution.

Definition of unconventional adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

unconventional (ˌʌnkənˈvɛnʃənəl) adj not conforming to accepted rules or standards ˌunconˌventionˈality n

UNCONVENTIONAL definition: not conventional; not bound by or conforming to convention, rule, or precedent; free from conventionality. See examples of unconventional used in a sentence.

If you describe a person or their attitude or behaviour as unconventional, you mean that they do not behave in the same way as most other people in their society.

WordReference Random House Unabridged Dictionary of American English © 2025 un•con•ven•tion•al (un′kən ven′ shə nl), adj. not conventional; not bound by or conforming to convention, rule, or …

Unconventional refers to anything that is not conforming to established norms, customs, rules or traditions. It typically describes behavior, appearance, or actions that deviate from what is considered …

4 days ago · unconventional (plural unconventionals) Something or someone that is unconventional.

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 …