misfit
Definitions
A person whose behavior or attitude makes them feel uncomfortable or out of place in a particular group or environment.
Something that does not fit or is not suitable for a particular purpose or situation.
Examples
He always felt like a misfit in his high school, preferring books to sports.
The new software was a complete misfit for the company's outdated computer systems.
Synonyms
nonconformist outcast maverick oddball eccentric outsider renegade
Antonyms
conformist insider standard conventionalist traditionalist mainstreamer