Definition of buff
(Entry 1 of 3)
1
: a garment (such as a uniform) made of buff leather
2
: the state of being nude
sunbathing in the buff
3a
: a moderate orange yellow
b
: a light to moderate yellow
4
: a device having a soft absorbent surface (as of cloth) by which polishing material is applied
5
[earlier buff an enthusiast about going to fires; perhaps from the buff overcoats worn by volunteer firefighters in New York City about 1820]
: fan, enthusiast
buff
adjectiveDefinition of buff (Entry 2 of 3)
buff
verb
buffed; buffing; buffs
Definition of buff (Entry 3 of 3)
2
: to give a velvety surface to (leather)
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
February 2021 Words of the Day Quiz
-
- Which is a synonym of perdure?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share buff
Time Traveler for buff
The first known use of buff was in 1570
See more words from the same year