Word
spontaneity
Phoneticsspon·tane·ity
US/ˌspɑntəˈniəti/
UK/spɒntˈeɪnɪti/
Definition
n. the quality of being able to act or react quickly and naturally without thinking about it first. In biology, it describes a process that happens naturally without being caused by a specific person or thing.
n. the quality of being able to act or react quickly and naturally without external prompting. In a biological context, it refers to a process or reaction that occurs naturally and without deliberate intervention.
Examples
“The spontaneity of the reaction surprised the scientists.”
“The spontaneity of the chemical reaction allowed the researchers to produce the compound much faster than expected.”
“The spontaneity of the cellular response to the stressor suggests that the organism has evolved a highly efficient and immediate defense mechanism against environmental changes.”
Examples
simple
“The spontaneity of the reaction surprised the scientists.”
contextual
“The spontaneity of the chemical reaction allowed the researchers to produce the compound much faster than expected.”
complex
“The spontaneity of the cellular response to the stressor suggests that the organism has evolved a highly efficient and immediate defense mechanism against environmental changes.”
Real-World Examples
“Now she injects insulin twice a day, monitors what she eats, and despite missing the spontaneity of her old life, is learning to adapt to her new one.” “Our study shows what can be achieved by a traditional hay cutting approach combined with nature's brilliant spontaneity.” Etymology
From Latin spontaneus (“voluntary”). By surface analysis, spont(aneous) + -aneity. Compare French spontanéité.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
NOUN
ADJECTIVE
ADVERB
Domain
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Occasional
- Level
- C1 · Advanced
- Updated
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englishreference.com/q/spontaneity