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.
A person who has risen, climbed up, or has been promoted to a higher social class, especially through acquisition of wealth, privileges, or political authority but has not gained social acceptance by those within that new class.
Being a parvenu; also, like, having the characteristics of, or associated with a parvenu.