# deep down

idiom

Source: https://englishreference.com/idiom/deep-down
Updated: 2026-08-10

## Meaning

Fundamentally; in essence; in reality

## Examples

- Deep down, I know I should exercise more.
- He acts like he does not care about the promotion, but deep down, he really wants it.
- Although she maintained a composed and professional exterior throughout the negotiation, deep down she felt a profound sense of uncertainty regarding the final outcome.

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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.