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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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   Where did the word spontaneous come from?

   • Hobbes was writing in English, but he knew Latin perfectly well too, including the source of spontaneous; the word comes, via Late Latin spontaneus, from the Latin sponte, meaning "of one's free will, voluntarily."

   Spontaneous Definition & Meaning - Merriam-Webster

   www.merriam-webster.com/dictionary/spontaneous

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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 acting or happening without external constraint, impulse, or influence. Learn the word history, synonyms, examples, and related phrases of spontaneous from the Merriam-Webster dictionary.

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

   www.dictionary.com › browse › spontaneous

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   Spontaneous definition: coming or resulting from a natural impulse or tendency; without effort or premeditation; natural and unconstrained; unplanned. See examples of SPONTANEOUS used in a sentence.

5. 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.

6. Videos

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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 synonyms of spontaneous with Cambridge Dictionary.

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

   www.vocabulary.com › dictionary › spontaneous

   spontaneous: 1 adj said or done without having been planned or written in advance Synonyms: ad-lib , unwritten unscripted not furnished with or using a script adj happening or arising without apparent external cause “ spontaneous laughter” “ spontaneous combustion” “a spontaneous abortion” Synonyms: self-generated impulsive , unprompted ...

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

   www.oxfordlearnersdictionaries.com › us › definition

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   Spontaneous means not planned but done because you suddenly want to do it. Learn how to use this adjective with pictures, pronunciation, synonyms and collocations.

10. www.collinsdictionary.com › english › spontaneousSPONTANEOUS definition and meaning | Collins English Dictionary

    www.collinsdictionary.com › english › spontaneous

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    1 day ago · Spontaneous means not planned or arranged, but done because someone suddenly wants to do it, or happening because of natural processes without external influence. See synonyms, pronunciation, examples, and word origin of spontaneous.