# dead on

idiom

Source: https://englishreference.com/idiom/dead-on
Updated: 2026-08-10

## Meaning

Exactly at.

## Examples

- The train arrived dead on time.
- She guessed the number of jellybeans in the jar dead on, winning the entire prize.
- His assessment of the political situation proved dead on, despite the skepticism of his colleagues at the time.

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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.