- cu|ri|ous [ `kjuriəs ] adjective **1. ) someone who is curious wants to find out about something:I didn't mean to pry. I'm just curious. That's all.curious about: Children are curious about animals and how they live.curious to see/hear/know something: People were curious to know why the accident happened.a ) used about someone's expression:a curious look/glance: She shot him a quick, curious look.2. ) unusual and interesting:a set of curious kitchen implementsHe felt a curious mixture of happiness and fear.it is curious that: It is curious that you've never mentioned this before.
Usage of the words and phrases in modern English. 2013.