# buff up

idiom

Source: https://englishreference.com/idiom/buff-up
Updated: 2026-08-10

## Meaning

To improve.

## Examples

- I need to buff up my resume before I apply for jobs.
- He spent the entire weekend trying to buff up his presentation skills before the big meeting with the board.
- The author decided to buff up her manuscript, refining the dialogue and tightening the plot before submitting it to the publisher.

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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.