spontaneous
/spɑnˈteɪ.ni.əs/ adjective C1- Self-directed; happening or acting without external cause or instigation; proceeding from natural feeling, temperament, or momentary impulse. · He made a spontaneous offer of help.
- Done by one's own free choice, or without planning.
- Controlled and directed internally; self-active; spontaneous movement characteristic of living things.
- Produced without being planted or without human cultivation or labor.
- Sudden, without warning.
- Said or done without prior planning or prior writing. · He made spontaneous remarks in the court, after being asked an unexpected question.
From the library
Lestrade and I sat silent for a moment, and then, with a spontaneous impulse, we both broke at clapping, as at the well-wrought crisis of a play.
The same singularly proud and reserved nature which turned away with disdain from popular notoriety was capable of being moved to its depths by spontaneous wonder and praise from a friend.
Employers enthusiastically dismantled physical walls, believing that removing barriers would naturally foster spontaneous collaboration and break down hierarchical structures.
Furthermore, the unroofed design exposes both the cast and the standing audience to the unpredictable weather, adding a layer of spontaneous excitement.
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