# cost the earth

idiom

Source: https://englishreference.com/idiom/cost-the-earth
Updated: 2026-08-10

## Meaning

To be a huge expense.

## Examples

- That fancy new car must cost the earth.
- We wanted to host the wedding at the hotel, but the venue rental would cost the earth.
- While the antique furniture was undeniably beautiful, the collector realized that restoring it to its original condition would cost the earth.

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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.