Impulsive
/ˌɪˈmpʌlsɪv/
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Definition
(adj) Having the power of driving or impelling; giving an impulse; moving; impellent.
Sentence Examples
Tom is an impulsive buyer.
Tom is a little impulsive, isn't he?
CEFR Practice Quiz
His ____ nature often leads him to buy expensive things that he doesn't really need.