Question

what does the word impulsive mean?
inclined to act upon a sudden urge, without careful thought
inclined to act out of generosity, without care for oneself
inclined to act out of ill - will or spite, without care for others

Explanation:

The definition of "impulsive" is acting on sudden urges without much thought. This option matches the standard meaning.

Answer:

inclined to act upon a sudden urge, without careful thought