1. 个性;特立独行
You use individualism to refer to the behaviour of someone who likes to think and do things in their own way, rather than imitating other people.

2. (国家对经济、政治的)不干涉主义，自由放任主义
Individualism is the belief that economics and politics should not be controlled by the state.

1. the quality of being individual

e.g. so absorbed by the movement that she lost all sense of individuality

Synonym: individualityindividuation

2. the doctrine that government should not interfere in commercial affairs

Synonym: laissez faire

3. a belief in the importance of the individual and the virtue of self-reliance and personal independence