Meaning of “curiosity” - Learner’s Dictionary

curiosity

noun uk us /ˌkjʊəriˈɒsəti/
FEELING [ U ]

B2 the feeling of wanting to know or learn about something:

My curiosity got the better of me and I opened the envelope.
Just out of curiosity, how did you get my address?
STRANGE THING [ C ]

something strange or unusual

(Definition of “curiosity” from the Cambridge Learner’s Dictionary © Cambridge University Press)