buff
word
Definition
A 'buff' can mean a person who is very interested or knowledgeable about something (like a 'movie buff'), someone with strong, muscular body (informal), or the action of polishing something to make it shiny.
Usage & Nuances
As a noun, most common with fields of interest: 'history buff', 'fitness buff'. As slang adjective: 'He's really buff' (very muscular, informal). As a verb: 'buff the floor' (polish). Different meanings require context. Don't confuse the slang adjective 'buff' (muscular) with the noun meaning 'fan'.
Example Sentences
He's a real movie buff who knows every actor.
basic
These shoes get shiny if you buff them well.
basic
He became buff after working out for months.
basic
My friend is a total tech buff; he can fix any gadget you have.
natural
Wow, you're looking really buff lately! Been hitting the gym?
natural
Let's buff the table before the guests arrive so it shines.
natural