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spontaneous (adjective)
Spontaneous refers to an action or event that occurs naturally and suddenly without being planned, forced, or organized in advance. It often describes behavior that arises from a sudden impulse or internal inclination rather than external pressure.
"We had no plans for the weekend, so we went on a spontaneous camping trip."
Think of a 'Sponge' (SPON). A sponge absorbs water 'SPON-taneously'—it doesn't need a plan or a motor to do it; it just...
Using 'spontaneous' instead of 'simultaneous'. → The two events happened simultaneously.
Saying 'He acted spontaneous'. → He acted spontaneously.
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