English Reference
Idiom idiom

upon the instant


Immediately, right away.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

“He stood up upon the instant when he heard his name.”

CONTEXTUAL

“The fire alarm sounded, and everyone left the building upon the instant to stay safe.”

COMPLEX

“Recognizing the gravity of the situation, the diplomat acted upon the instant to prevent a total collapse of the negotiations.”


Last updated August 10, 2026