- The tendency for a person to act without reference to others, particularly in matters of style, fashion or mode of thought.
- The moral stance, political philosophy, or social outlook that promotes independence and self-reliance of individual people, while opposing the interference with each person's choices by society, the state, or any other group or institution.
- (logic) The doctrine that only individual things are real.
- (philosophy) The doctrine that nothing exists but the individual self.
- (philosophy): solipsism
tendency for a person to act without reference to others