buff upphrasal verb
buffed up; buffing up; buffs up
Definition of buff up
: to become stronger and more muscular or to make (someone or something) stronger and more muscular through exercising and weight lifting She is buffing up for her role as a female boxer. He buffed himself up by going to the gym every day. —often used as buffed-up buffed-up bodies
showing great care, attention, and effort
Get Word of the Day daily email!
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors
- On Contractions of Multiple Words
- A Look at Uncommon Onomatopoeia
- Is Singular 'They' a Better Choice?