1 (especially Brit 尤为英) (only before a noun 只用于名词前) right, suitable or correct 适宜的；合适的；正确的: If you're going skiing you must have the proper clothes. 如果你去滑雪，一定要穿上适当的衣服。I've got to get these pieces of paper in the proper order. 我得把这几张纸按顺序排好。

2 (only before a noun 只用于名词前) that you consider to be real or good enough 真实的；够好的: I didn't see much of the flat yesterday. I'm going to go today and have a proper look. 昨天我没有怎么看那公寓，今天我要去看个清楚。

3 (formal 正式) socially and morally acceptable 合乎社会和道德规范的；正规的；合乎体统的；得体的: I think it would be only proper for you to apologize. 我认为你应该道歉才是。 [OPP] improper 反义词为improper

4 (only after a noun 只用于名词后) real or main 真正；主要: We travelled through miles of suburbs before we got to the city proper. 我们在市郊走了好几英里路才到达市区。