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   Spon·ta·ne·ous

   /spänˈtānēəs/

   

   adjective

   • 1. performed or occurring as a result of a sudden inner impulse or inclination and without premeditation or external stimulus: "the audience broke into spontaneous applause" Similar unforcedvoluntaryunconstrainedunpromptedunbiddenunsolicitedunplannedunpremeditatedunrehearsedimpulsiveimpetuousunstudiedimpromptuspur-of-the-momentextemporeextemporaneousunschooleduntaughtuninstructedinformal:off-the-cuffOpposite plannedforcedcalculated
   • ▪ (of a person) having an open, natural, and uninhibited manner. Similar naturaluninhibitedrelaxedunselfconsciousunaffectedeasyfree and easyimpulsiveimpetuousopengenuineOpposite inhibited
   • ▪ (of a process or event) occurring without apparent external cause: "spontaneous miscarriages"
   • ▪ (of movement or activity in an organism) instinctive or involuntary: "the spontaneous mechanical activity of circular smooth muscle" Similar reflexautomaticknee-jerkinvoluntaryunthinkingunconsciousinstinctiveinstinctualinformal:gutOpposite conscious
   • ▪ (of a plant) growing naturally and without being tended or cultivated.

   Word Origin mid 17th century: from late Latin spontaneus (from (sua) sponte ‘of (one's) own accord’) + -ous.

   Derivatives

   • 1. spontaneousness noun

   Scrabble Points: 13

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2. People also ask

   What does spontaneous mean?

   • The meaning of SPONTANEOUS is proceeding from natural feeling or native tendency without external constraint. How to use spontaneous in a sentence. Did you know?

   Spontaneous Definition & Meaning - Merriam-Webster

   www.merriam-webster.com/dictionary/spontaneous

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   What does it mean if things happen spontaneously?

   • That's spontaneous. Spontaneous things happen all of a sudden, on the spur of the moment, without being planned. Spontaneous can also refer to things that happen without outside influence. Your parents will be happy if you do your chores spontaneously instead of waiting till they nag you.

   Spontaneous - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com/dictionary/spontaneous

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   What do you mean by spontaneous movement?

   • 1. occurring, produced, or performed through natural processes without external influence: spontaneous movement. 2. arising from an unforced personal impulse; voluntary; unpremeditated: a spontaneous comment. 3. (Botany) (of plants) growing naturally; indigenous

   Spontaneous - definition of spontaneous by The Free Dictionary

   www.thefreedictionary.com/spontaneous

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   What is the difference between spontaneous and uncountable?

   • Here's the word you're looking for. (uncountable) The quality of being spontaneous. (countable) Spontaneous behaviour. (biology) The tendency to undergo change, characteristic of both animal and vegetable organisms, and not restrained or checked by the environment.

   What is the noun for spontaneous? - WordHippo

   www.wordhippo.com/what-is/the-noun-for/spontaneous.html

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3. www.merriam-webster.com › dictionary › spontaneousSpontaneous Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › spontaneous

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   Spontaneous means proceeding from natural feeling or native tendency without external constraint, or arising from a momentary impulse. It can also mean controlled and directed internally, or produced without being planted or human labor. See synonyms, examples, etymology, and related phrases of spontaneous.

4. www.dictionary.com › browse › spontaneousSPONTANEOUS Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › spontaneous

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   Spontaneous means coming or resulting from a natural impulse or tendency; without effort or premeditation; natural and unconstrained; unplanned. Learn more about the origin, usage, and related words of spontaneous on Dictionary.com.

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6. dictionary.cambridge.org › english › spontaneousSPONTANEOUS | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › english › spontaneous

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   Spontaneous means happening or done in a natural, often sudden way, without any planning or without being forced. It also means happening without being caused by something outside, or without the organism's control. See more meanings, examples and translations of spontaneous.

7. dictionary.cambridge.org › english › spontaneousSPONTANEOUS | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › english › spontaneous

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   Spontaneous means happening or done in a natural, often sudden way, without any planning or without being forced. Learn more about the meaning, usage and pronunciation of spontaneous with examples and related words.

8. www.vocabulary.com › dictionary › spontaneousSpontaneous - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › spontaneous

   Something spontaneous happens when you're least expecting it. Spontaneous things are natural or instinctive, and they happen without warning. If you plan to go to a movie and then you go, that's not a spontaneous thing. Ditching the movie at the last minute to go to the park? That's spontaneous.

9. www.oxfordlearnersdictionaries.com › us › definitionspontaneous adjective - Definition, pictures, pronunciation ...

   www.oxfordlearnersdictionaries.com › us › definition

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   Learn the meaning, pronunciation and usage of the word spontaneous, which means not planned but done because you suddenly want to do it. See examples, synonyms and word origin.

10. www.thefreedictionary.com › spontaneousSpontaneous - definition of spontaneous by The Free Dictionary

    www.thefreedictionary.com › spontaneous

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    Spontaneous means happening or arising without apparent external cause; self-generated, or arising from a natural inclination or impulse and not from forethought or prompting. See synonyms, translations, and related terms from various dictionaries and sources.