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.

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

Definition of unconventional adjective from the Oxford Advanced Learner's Dictionary. not following what is done or considered normal or acceptable by most people; different and interesting synonym …

Unconventional definition: Not adhering to convention; out of the ordinary.

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, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

unconventional definition: not following traditional norms or standards. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "unconventional oil".

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.

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 …