A badly adjusted person; someone unsuitable or set apart because of their habits, behaviour etc.
She was very unhappy in Iraq and a misfit in the Army.
A failure to fit well; unsuitability, disparity.
To fit badly.
Someone who lacks a partner or team.
Something that is different from others in the same category; odd one out.
A temporary crew member who joins a mission with an established crew.
An eccentric; weirdo.