impulsive

[im-puhl-siv] / ɪmˈpʌl sɪv /

ADJECTIVE

tending to act without thought

Synonyms

STRONGEST

abrupt hasty impetuous instinctive offhand passionate spontaneous violent

WEAK

ad-lib automatic careless devil-may-care emotional extemporaneous flaky gone off deep end headlong hot-and-cold intuitive involuntary jumping the gun mad precipitate quick rash sudden swift unconsidered unexpected unmeditated unpredictable unpremeditated unprompted up-and-down winging it

Antonyms

STRONGEST

calm deliberate planned sensible

WEAK

cautious considering heedful premeditative thoughtful wise

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Doctors sometimes address the problem by increasing dosages, which in turn causes more impulsive behaviour.

From BBC • May 1, 2026

You won’t fall into a downward spiral of impulsive trading if you require yourself to pause and think before any gamble.

From The Wall Street Journal • Apr. 17, 2026

So really, the message here is that we should all be more impulsive and slightly unhinged — Anna ends up living her Tuscan dreams after all.

From Los Angeles Times • Apr. 10, 2026

Scientists found that consuming caffeine at night can increase impulsive behavior, raising the likelihood of risky or uncontrolled actions.

From Science Daily • Mar. 31, 2026

It was an act of impulsive frivolity and rebellion for which he knew afterward he would be punished severely.

From "Catch-22" by Joseph Heller

Vocabulary lists containing impulsive

List 1

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The Lightning Thief

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Dracula

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