# lie through one's teeth

idiom

Source: https://englishreference.com/idiom/lie-through-ones-teeth
Updated: 2026-08-10

## Meaning

To tell an obvious untruth.

## Examples

- He lied through his teeth about finishing the report.
- She knew he was lying through his teeth when he claimed he had never met the woman before.
- Even as the evidence mounted against him, the politician continued to lie through his teeth, his voice steady and his gaze unwavering.

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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.