Mental or Behavioral Dysfunction
impulsive behavior
[ im-puhl-siv bih-heyv-yer ]
Subclass of:
Behavior
Definitions related to impulsive behavior:
  • (impulsivity) Acting on the spur of the moment or on a momentary basis without consideration of outcomes; having difficulty establishing or following plans; experiencing a sense of urgency and engaging in behavior that is uninhibited, cannot be inhibited, and is uncontrolled. The possibility of repression is inconceivable.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • (impulsivity) Behavior characterized by reduced control, planning, or consideration of the consequences.
    NICHD Pediatric Terminology
    U.S. National Cancer Institute, 2021
  • Act performed without delay, reflection, voluntary direction or obvious control in response to a stimulus.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • An act performed without delay, reflection, voluntary direction or obvious control in response to a stimulus.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Initiation of actions without forethought as to the cost, results or consequences.
    NCI
    U.S. National Cancer Institute, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.