cu·ri·os·i·ty

/ˌkjɚriˈɑːsəti/ noun, pl -ties

1 [noncount] : the desire to learn or know more about something or someone

Her natural curiosity led her to ask more questions.

The arrival of a construction crew at their house attracted/sparked/aroused the curiosity of their neighbors.

The movie failed to satisfy her curiosity about the assassination.

intellectual curiosity

He went into the store out of curiosity. [=because he was curious to see what was in the store]

◇ The expression curiosity killed the cat is used to warn people that too much curiosity can be dangerous.

2 [count] : something that is interesting because it is unusual

Tobacco was once a curiosity in Europe.

The antique shop was full of curiosities.