Impulsive describes something done quickly, on a sudden feeling, or without enough thought. It can also mean something that happens naturally, without being promptedcaused or encouraged by an outside influence from outside, and in a more technicalused in a specialized field or subject, not everyday language sense it can describe something that drivescauses movement or action; pushes forward or pushes.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-31. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /ˌɪmˈpʌlsɪv/
Easy pronunciation: im-PUL-siv (approximate spelling).
Stress: Primary stress is on the second syllable: PUL.
Use this for the adjective meaning done suddenly without thinking enough.
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-10-31. AI assessment; not a guarantee of accuracy.
Impulsive Meaning
done suddenly without thinking enough
Part of speech: adjective
Definition: characterized by undue haste and lack of thought or deliberation
Example: She made an impulsive decision to quit her job.
Synonyms for this meaning:
- impetuous — A strong match for acting too quickly without thinking.
- hotheaded — Works when the behavior is rash or emotionally driven.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-31. AI assessment; not a guarantee of accuracy.
Other Meanings of Impulsive
Meaning 2
done naturally, without being prompted by something outside
Part of speech: adjective
Definition: proceeding from natural feeling or impulse without external stimulus
Example: He gave her an impulsive hug of affection.
Synonyms for this meaning:
- unprompted — Matches the sense of happening without outside prompting.
Meaning 3
able to push or drive something forward
Part of speech: adjective
Definition: having the power of driving or impelling
Example: The machine produced an impulsive force.
Synonyms for this meaning:
- driving — A direct match for the technical sense of exerting force.
Meaning 4
based on whim or sudden impulse rather than logic
Part of speech: adjective
Definition: determined by chance or impulse or whim rather than by necessity or reason
Example: Their choice seemed capricious rather than planned.
Synonyms for this meaning:
- capricious — Fits the idea of being changeable and ruled by whim.
- whimsical — Can work when the emphasis is on whim, though it may sound lighter or more playful.
Meaning 5
done before thinking ahead
Part of speech: adjective
Definition: without forethought
Example: Buying the expensive watch was an impulsive move.
Reviewed with OpenAI Decisions. Assessment: inaccurate — correction needed. Checked: 2026-10-31. AI assessment; not a guarantee of accuracy.
Impulsive Synonyms
Similar Meaning
- impetuous
- hotheaded
based on whim or chance rather than reason
- capricious
- whimsical
done naturally, without outside prompting
- unprompted
able to drive or push something forward
- driving
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-31. AI assessment; not a guarantee of accuracy.
Common Mistakes
- Using impulsive to mean simply energetic or enthusiastic.
- Using whimsical as a general synonym for rash behavior; it usually suggests playful or capricious behavior instead.
- Mixing up the everyday sense with the technical sense about force or motion.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-31. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What does impulsive mean in simple English?
It means done suddenly, with little thought, or on a strong feeling in the moment.
What is the most common meaning of impulsive?
The most common meaning is acting too quickly without thinking enough first.
Is impulsive a positive word?
Usually it is neutral to negative, because it often suggests poor judgment or lack of self-control.
What are good synonyms for impulsive?
Good everyday synonyms include impetuous and, in some contexts, hotheaded.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-31. AI assessment; not a guarantee of accuracy.
