voluntarily; automatic; self-operating
Meanings
3 senses · 10 examplesadverb
voluntarily; on one's own initiative; willingly
Describes an action taken without external prompting or coercion.
He voluntarily signed up for the volunteer activity.
The children lined up on their own initiative.
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Seeing the elderly person board, the young person willingly gave up their seat.
adverb
automatically; spontaneously; without external force
Describes a natural process or reaction that occurs by itself, according to physical or chemical laws.
This chemical substance spontaneously combusts in the air.
After the snow on the mountaintop melts, water automatically flows down to the valley.
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The door closes automatically because the spring is broken.
adjective
automatic; self-operating; mechanical
An attributive adjective describing devices, systems, or processes that function without direct human control.
This machine is fully automatic.
The factory introduced an automatic production line.
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Driving a car with an automatic transmission is very convenient.
This system has an automatic alarm function.