# put into one's own head

idiom

Source: https://englishreference.com/idiom/put-into-ones-own-head
Updated: 2026-08-10

## Meaning

to convince oneself that something is the case

## Examples

- You have put it into your own head that he dislikes you.
- She put it into her own head that she would fail the test, even though she studied hard.
- Despite all evidence to the contrary, he had put it into his own head that his colleagues were conspiring against his promotion.

---

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.