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impulsive

/ɪmˈpʌlsɪv/ · im.pul.sive
noun
  1. That which impels or gives an impulse; an impelling agent. The impulsive nature of the storm led to widespread destruction.
noun
  1. One whose behaviour or personality is characterized by being impulsive. Her impulsive friend often acted on instinct without thinking through the consequences.
adjective
  1. Having the power of driving or impelling; giving an impulse; moving; impellent. The impulsive force of the waterfall created a mist that surrounded the surrounding area.
adjective
  1. Actuated by impulse or by transient feelings; inclined to make rapid decisions without due consideration. He made an impulsive decision to quit his job without thinking through the financial implications.
adjective
  1. Acting momentarily, or by impulse; not continuous – said of forces. The impulsive forces of the earthquake caused widespread damage to buildings and infrastructure.
Did you know? The word 'impulsive' is often associated with the concept of 'acting on instinct', which is a fundamental aspect of human behavior. Many famous historical figures, such as Napoleon Bonaparte, were known for their impulsive decisions that often led to significant consequences.
Written by Lexi Wordsworth, Dictionary Editor 2 lookups Added Aug 3, 2026