Spontaneous
/spɒnˈteɪniəs/
Definitions
2 meaningsPerformed or occurring as a result of a sudden impulse or without premeditation; arising from internal forces without external cause.
/spɒnˈteɪniəs/
Done or occurring due to a sudden impulse and without premeditation.
The applause was spontaneous.
💡 Simply: Imagine you're at the store and decide, right then and there, to buy a new gadget, even though you hadn't planned on it. That's spontaneous! It's like acting on a whim.
👶 For kids: Happening suddenly and without planning. Like when you suddenly decide you want ice cream!
More Examples
They made a spontaneous trip to the beach.
His spontaneous reaction was to laugh.
A spontaneous combustion started in the warehouse.
How It's Used
"She made a spontaneous decision to go to the concert."
"The reaction was spontaneous, meaning it occurred without any external influence."
"The artist's spontaneous brushstrokes captured the movement of the dancers."
Occurring or produced without external stimulus; arising from internal processes or forces.
/spɒnˈteɪniəs/
Arising naturally; not artificially produced.
The disease emerged spontaneously.
💡 Simply: Imagine a plant suddenly growing in your garden, without you planting the seed! That's another meaning of spontaneous – something that appears or happens on its own, naturally.
👶 For kids: Something that happens by itself, like a weed growing in the garden.
More Examples
The fire started spontaneously.
The flowers grew spontaneously in the field.
How It's Used
"A spontaneous chemical reaction occurs without any energy input."
"Spontaneous generation of life was once a popular, but disproven, scientific theory."
Synonyms
Antonyms
Calculated
Deliberate
Intentional
Planned
Artificial
Controlled
Induced
Manipulated
Idioms & expressions
spontaneous combustion
The ignition of a substance without any external source of ignition.
"The warehouse fire was caused by spontaneous combustion of oily rags."
From Late Latin *spontaneus*, from Latin *sponte* meaning "of one's own accord, voluntarily."
The word gained popularity during the 17th and 18th centuries, reflecting the growing emphasis on individual agency and natural processes.
Memory tip
Think of a *spot* where something happens *on the spot* without planning.