buff up

Fetched 2026-10-26 (cache).

Synonyms: puff up, duff up

Antonyms: puff up, duff up

Related words from Datamuse; suggestions, not definitions.

Verb

1. {{lb|en|transitive|idiomatic}} To [[improve]].
2. {{lb|en|transitive}} To [[shine]]; to make [[shiny]].
3. {{lb|en|intransitive|idiomatic}} To become more [[muscular]].
4. {{lb|en|intransitive|idiomatic}} To study hard to learn a particular subject.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.