# upon the instant

idiom

Source: https://englishreference.com/idiom/upon-the-instant
Updated: 2026-08-10

## Meaning

Immediately, right away.

## Examples

- He stood up upon the instant when he heard his name.
- The fire alarm sounded, and everyone left the building upon the instant to stay safe.
- Recognizing the gravity of the situation, the diplomat acted upon the instant to prevent a total collapse of the negotiations.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.