inquisitiveness
noun/ɪnˈkwɪzətɪvnəs/
/ɪnˈkwɪzətɪvnəs/
[uncountable]- a strong interest in learning about many different things
- She was impressed by the inquisitiveness of the children.
- (sometimes disapproving) a desire to find out about what other people are doing, etc, especially by asking a lot of questions synonym curiosity (1)
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inquisitiveness