• (British) IPA: /ˈspɒn.tə.neɪ.ə.ti/


  1. (uncountable) The quality of being spontaneous.
  2. (countable) Spontaneous behaviour.
    • Romney Leigh, who lives by diagrams, / And crosses not the spontaneities / Of all his individual, personal life / With formal universals.
  3. (biology) The tendency to undergo change, characteristic of both animal and vegetable organisms, and not restrained or checked by the environment.
  4. (biology) The tendency to activity of muscular tissue, including the voluntary muscles, when in a state of healthful vigour and refreshment.
Synonyms Antonyms Related terms Translations Translations
  • German: Laune
  • Russian: спонта́нность

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