# whiz

/ˈhwɪz/ (US) · /wˈɪz/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/whiz
Updated: 2026-05-19

## Definition

a person who is very good at a specific skill or subject. You use this when someone is an expert at something like math or sports.

For teachers: a person who is highly skilled or proficient in a particular field or activity.

## Examples

- He is a real whiz at fixing old cars.
- After years of practice, she became a whiz at the piano and started teaching other students.
- While the rest of the team struggled with the new software, he was already a whiz, having mastered the interface during his previous job.

---

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.
