spontaneous

Meaning

1. Self-generated; happening without any apparent external cause.
2. Done by one's own free choice, or without planning.
3. Proceeding from natural feeling or native tendency without external or conscious constraint.
4. Arising from a momentary impulse.
5. Controlled and directed internally; self-active; spontaneous movement characteristic of living things.
6. Produced without being planted or without human cultivation or labor.
7. Sudden, without warning.
8. Said or done without prior planning or prior writing.

Synonyms

natural

voluntary

impromptu

involuntary

unprompted

ad-lib

automatic

improvised

impulsive

independent

ingenuous

elemental

self-generated

instinctive

self-acting

unplanned

causeless

immediate

direct

unwritten

unconscious

uncontrolled

unforced

unilateral

unintentional

unpaid

unpremeditated

unrehearsed

unstrained

volunteer

willing

frank

all by itself

idiopathetic

uninduced

self-grown

spur-of-the-moment

ultroneous

authigenic

all by oneself

autogenous

candid

ex gratia

extemporary

extempore

facultative

groundless

idiopathic

imminent

instant

Translations

spontané

spontaneo

spontan

αυθόρμητος

espontáneo

espontâneo

spontaan

espontani

volontaire

ongezocht

kendiliğinden

incogitatus

espontanèu

πηγαίος

Pronounced as (IPA)

/spɒnˈteɪ.ni.əs/

Etymology

Learned borrowing from Late Latin spontāneus.