How to Say "inquisitiveness" in Spanish
The Spanish word for “inquisitiveness” is “curiosidad” — A1 level. This is a very common word in everyday Spanish.

Examples
Tengo mucha curiosidad por saber cómo funciona esto.
I have a lot of curiosity to know how this works.
La curiosidad es una gran cualidad para los estudiantes.
Curiosity is a great quality for students.
Matar la curiosidad es a veces necesario para seguir adelante.
Satisfying one's curiosity is sometimes necessary to move forward.
Feminine Noun Pattern
Words in Spanish that end in '-dad' (like ciudad, verdad, etc.) are almost always feminine, so you must use 'la' or 'una' with them.
Using 'sobre' instead of 'por'
Mistake: “Tengo curiosidad sobre el libro.”
Correction: Tengo curiosidad por el libro. (The correct way to express curiosity about something is usually with the preposition 'por'.)
Related Translations
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