# kiddo

/kˈɪdəʊ/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/kiddo
Updated: 2026-05-07

## Definition

a friendly way to address a child or a younger person. You use it when you want to sound warm and casual.

For teachers: an informal and affectionate form of address for a child or a younger person. Often used by adults to signal a protective or familiar relationship.

## Examples

- Don't worry about the mess, kiddo.
- The coach patted the player on the shoulder and said you'll get them next time, kiddo.
- While the term is meant to be endearing, using it with a younger colleague in a professional setting can sometimes come across as patronising rather than friendly.

## Usage notes

- Primarily used as a vocative (a word used to address someone directly).

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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.