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Definition of spontaneity
spontaneity
/ˌspɑːn.təˈneɪ.ə.ti/
spon · ta · ne · i · ty
Adverb:spontaneously
•Plural:spontaneities
•Adjective:spontaneous
spontaneity Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Top 10k
Syllables
5
spontaneity Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The quality or condition of acting on sudden natural impulse or inclination, without premeditation, external constraint, or artificiality.
Example
"The director encouraged the actors to improvise their lines in order to capture a sense of genuine spontaneity on camera."
2
The capacity of a natural, chemical, or biological process to occur or develop on its own through internal forces, without external stimulus.
Example
"In thermodynamics, a negative change in Gibbs free energy indicates the spontaneity of a chemical reaction under constant temperature and pressure."
Synonyms
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Word Origin & Etymology
Borrowed in the mid-17th century from Late Latin spontaneitas, derived from Latin spontaneus ('occurring of one's own free will'), ultimately from sponte ('of one's own accord, willingly').
Cite this Entry
Wordmom. (2026). Definition of Spontaneity. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/spontaneity