spontaneous
UK /spɒnˈteɪ.ni.əs/ US /spɑnˈteɪ.ni.əs/
adj 5
Definitions
adj
1
Self-generated; happening without any apparent external cause.
He made a spontaneous offer of help.
To make a spontaneous decision
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.
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