Meaning & use
spontaneous
Done or occurring without planning, prompting, or apparent external cause.
See it in a sentence
Their spontaneous road trip began with nothing more than a full tank of gas.
He gave a spontaneous cheer the moment the results were announced.
A note on using this word
Spontaneous suggests a natural, unforced impulse, while 'impulsive' can carry a hint of recklessness or poor judgment.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
planneddeliberate
Make it your own
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