say it: buhf
buff is a noun, verb and adjective meaning "an ardent follower and admirer". It carries 8 recorded senses.
a soft thick undyed leather from the skins of e.g. buffalo or oxen
a medium to dark tan color
of the yellowish-beige color of buff leather
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for buff come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.