1 not mixed with anything else 纯净的；不搀杂的: pure orange juice/silk/alcohol 纯橙汁；纯丝；纯酒精

2 clean and not containing any harmful substances 干净的；不含有害物质的: pure air/water 清新的空气；纯净的水 [OPP] impure 反义词为impure

3 (only before a noun 只用于名词前) complete and total 完全的；纯粹的: We met by pure chance. 我们完全是碰巧见面的。

4 (used about a sound, colour or light) very clear; perfect （指声音、颜色或光线）清晰的，完美的: She was dressed in pure white. 她穿着一身洁白的衣服。

5 (only before a noun 只用于名词前) (used about an area of learning) concerned only with increasing your knowledge rather than having practical uses （指学习领域）纯理论的: pure mathematics 纯数学 [OPP] applied 反义词为applied

6 not doing or knowing anything evil or anything that is connected with sex 纯洁的；纯真的: a young girl still pure in mind and body 身心依然纯洁的少女 [OPP] impure 反义词为impure