Synonyms of spontaneous
17 similar words · 7 opposite words
Another word for spontaneous is unprompted. Other synonyms of spontaneous are unforced and natural. The opposite of spontaneous is voluntary.
Synonyms and similar words for spontaneous
adjectiveSelf-directed; happening or acting without external cause or instigation; proceeding from natural...
- autonomous
- automatic
- involuntary
- natural
- unforcedNot forced.
adjectiveDone by one's own free choice, or without planning.
- impulsive
- extemporaneousWith inadequate preparation or without advance thought; offhand.
- unpremeditatedPerformed, but not planned or thought out in advance; extemporaneous, but not unintentional.
- unpromptedNot prompted; not urged or instigated; spontaneous.
adjectiveSaid or done without prior planning or prior writing.
- unwritten
- abrupt
- precipitous
- subitaneous
- precipitantActing, happening, or moving quickly; fast, rapid, swift; also, abrupt, sudden, unexpected.
- precipitatePerformed very rapidly or abruptly.
- sudden
- suddent
Opposite of spontaneous
adjectiveSelf-directed; happening or acting without external cause or instigation; proceeding from natural...
- inducedBrought about; caused to happen.
- stimulatedIn a condition or state of stimulation.
- voluntaryEndowed with the power of willing.
adjectiveDone by one's own free choice, or without planning.
- calculated
- deliberate
- planned
- premeditatedPlanned, considered, or estimated in advance; deliberate.
Meaning of spontaneous
- adjective Self-directed; happening or acting without external cause or instigation; proceeding from natural feeling, temperament, or momentary impulse.
- adjective Done by one's own free choice, or without planning.
- adjective Controlled and directed internally; self-active; spontaneous movement characteristic of living things.
spontaneous in other languages
Questions about synonyms of spontaneous
- What is another word for spontaneous?
- Spontaneous has 17 synonyms on Word.ws, such as unprompted, unforced and natural.
- What is the opposite of spontaneous?
- The opposite of spontaneous is voluntary. Other antonyms of spontaneous are induced, stimulated and premeditated.
- What does spontaneous mean?
- Spontaneous means self-directed; happening or acting without external cause or instigation; proceeding from natural feeling, temperament, or momentary impulse.
Source and license
Adapted from Wiktionary: spontaneous (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of spontaneous.” Word.ws, https://word.ws/synonyms/spontaneous. Based on Wiktionary, CC BY-SA 4.0.