# I'll tell you

idiom

Source: https://englishreference.com/idiom/ill-tell-you
Updated: 2026-08-10

## Meaning

Synonym of I can tell you.

## Examples

- I'll tell you, this coffee is very strong.
- I'll tell you, I have never seen such a long line at the grocery store before.
- I'll tell you, the sheer scale of the project was far more daunting than any of us had initially anticipated.

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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.