英和和英

発音

• (英国発音) IPA: /ˈspɒn.tə.neɪ.ə.ti/

名詞

spontaneity (countable and uncountable, plural spontaneities)

1. (uncountable) The quality of being spontaneous.
   • 1992, Neal Stephenson, Snow Crash, page 400:

     In any case, they are not very big on spontaneity. They sit on him for a few minutes before they decide what to do next.

   • 2025 January 30, Tessa Solomon, “AI Art Lacking ‘Human Expression’ Cannot Be Copyrighted, US Officials Say”, in ARTnews‎:

     The unpredictability of Gemini was then contrasted with examples of human spontaneity, like the splatter technique of Jackson Pollock.

2. (countable) Spontaneous behaviour.
   • 1856, Elizabeth Barrett Browning, “Third Book”, in Aurora Leigh, London: Chapman and Hall, […], published 1857, →OCLC:

     Romney Leigh, who lives by diagrams, / And crosses out 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.

同意語

• (quality of being spontaneous): abruptness, spontaneousness; see also Thesaurus:suddenness

反意語

• (antonym(s) of “quality of being spontaneous”): discipline

関連する語

• spontaneous

Further reading

• “spontaneity”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “spontaneity”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• “spontaneity”, in OneLook Dictionary Search.