grimmer; grimmest
1
: unpleasant or shocking to see or think about
Hikers made a grim discovery when they came across a dead body in the woods.
The accident serves as a grim reminder of the dangers of drinking and driving.
2
: causing feelings of sadness or worry : gloomy or depressing
a grim winter
The prognosis is grim—doctors do not expect her to live longer than six months.
He paints a grim picture of the prospects for peace.
3
: having a very serious appearance or manner
His face looked grim, and we knew his news wouldn't be good.
a grim smile
a grim taskmaster
4
: strongly felt and serious
grim determination
Cite this Entry
“Grim.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/grim. Accessed 15 Apr. 2026.
Copy Citation
