plural brims
1
: the top edge of a glass or a similar container
He filled the glass to the brim. [=to the top]
The glass was filled/full to the brim. [=completely full]
—often used figurativelyHer heart was filled to the brim with joy.
2
: the part of a hat that sticks out around the lower edge
brims; brimmed; brimming
: to be completely filled with something
a boy brimming (over) with energy
Her heart was brimming with happiness.
The show brims with excitement.
Her eyes brimmed with tears. [=tears filled her eyes]
Cite this Entry
“Brim.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/brim. Accessed 23 Jun. 2026.
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