1
[ adjective ] happening or arising without apparent external cause

Synonyms

self-generated

Examples

"spontaneous laughter" "spontaneous combustion" "a spontaneous abortion"

Used in print

(Douglas Ashford, "Elections in Morocco: Progress...)

The Istiqlal found that the spontaneous solidarity of the independence struggle was not easily transposed to the more concrete , precise problems of internal politics .

(Brand Blanshard, "The Emotive Theory," Robert...)

`` I have heard stories '' , he writes , `` of the most terrible , the most unnatural actions , of the most monstrous murders , told with the most spontaneous , childishly merry laughter '' .

(J. H. Hexter, "Thomas More: On the Margins...)

Some who have written on Utopia have treated it as `` a learned diversion of a learned world '' , `` a phantasy with which More amused himself '' , `` a holiday work , a spontaneous overflow of intellectual high_spirits , a revel of debate , paradox , comedy and invention '' .

(Irving Stone, The Agony and the Ecstasy....)

When carving he was charged with spontaneous energy ; too_careful or detailed studies in clay and wax would have glued him down to a mere enlarging of his model .

2
[ adjective ] said or done without having been planned or written in advance

Synonyms

unwritten ad-lib

Examples

"he made a few ad-lib remarks"

Related terms

unscripted

3
[ adjective ] said or done without having been planned or written in advance

Synonyms

unwritten ad-lib

Examples

"he made a few ad-lib remarks"

Related terms

unscripted

4
[ adjective ] produced without being planted or without human labor

Synonyms

natural wild

Examples

"wild strawberries"

Related terms

unplanted

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