'Impulsive' definitions:

Definition of 'impulsive'

From: WordNet
adjective
Proceeding from natural feeling or impulse without external stimulus; "an impulsive gesture of affection" [syn: impulsive, unprompted]
adjective
Without forethought; "letting him borrow her car was an impulsive act that she immediately regretted"
adjective
Having the power of driving or impelling; "a driving personal ambition"; "the driving force was his innate enthusiasm"; "an impulsive force" [syn: driving, impulsive]
adjective
Determined by chance or impulse or whim rather than by necessity or reason; "a capricious refusal"; "authoritarian rulers are frequently capricious"; "the victim of whimsical persecutions" [syn: capricious, impulsive, whimsical]
adjective
Characterized by undue haste and lack of thought or deliberation; "a hotheaded decision"; "liable to such impulsive acts as hugging strangers"; "an impetuous display of spending and gambling"; "madcap escapades"; (`brainish' is archaic) [syn: hotheaded, impulsive, impetuous, madcap, tearaway(a), brainish]

Definition of 'Impulsive'

From: GCIDE
  • Impulsive \Im*pul"sive\, a. [Cf. F. impulsif.] [1913 Webster]
  • 1. Having the power of driving or impelling; giving an impulse; moving; impellent. [1913 Webster]
  • Poor men! poor papers! We and they Do some impulsive force obey. --Prior. [1913 Webster]
  • 2. Actuated by impulse or by transient feelings. [1913 Webster]
  • My heart, impulsive and wayward. --Longfellow. [1913 Webster]
  • 3. (Mech.) Acting momentarily, or by impulse; not continuous; -- said of forces. [1913 Webster]

Definition of 'Impulsive'

From: GCIDE
  • Impulsive \Im*pul"sive\, n. That which impels or gives an impulse; an impelling agent. --Sir W. Wotton. [1913 Webster]

Synonyms of 'impulsive'

From: Moby Thesaurus