어떤 일이 지체 없이 즉각적으로 이루어지는 상태.
Occurring, done, or completed in an instant without any perceptible delay.
예문:
"Modern technology allows us to share information instantaneously with people on the other side of the planet."
"The airbag deployed instantaneously upon impact, protecting the driver from serious injury."
"In the vacuum of space, light does not travel instantaneously, though it moves incredibly fast."