# big head

idiom

Source: https://englishreference.com/idiom/big-head
Updated: 2026-08-10

## Meaning

An inflated ego, an exaggerated belief in one's own importance.

## Examples

- Don't get a big head just because you won one game.
- His recent promotion gave him a big head, and now he refuses to listen to his coworkers.
- Despite his impressive academic achievements, he managed to avoid developing a big head by remaining humble and open to criticism from his peers.

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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.