Darker in tone
Grimmer is the comparative form of grim—more stern, forbidding, or bleak.
A situation grows grimmer as prospects worsen: The news from the front grew grimmer by the day.
A face becomes grimmer when displeasure deepens.
The outlook for survivors turned grimmer overnight.
More lacking in light
IDEA.org / Words / grimmer
Darker in tone
Grimmer is the comparative form of grim—more stern, forbidding, or bleak.
A situation grows grimmer as prospects worsen: The news from the front grew grimmer by the day.
A face becomes grimmer when displeasure deepens.
The outlook for survivors turned grimmer overnight.
1. bleak — darker, More lacking in light; bleaker (More devoid of cheer); drearier (More monotonously gloomy); gloomier (Increased in bleakness)
2. stern — sterner, More demanding, less forgiving; harsher (More severe or unkind); severer (More harsh or unsparing)
emotional tone/moodgrimmer ≠ happier Increased in contentment; cheerier · brighter · merrier · lighter · jollier
grimmest
Word data: Linguabase (CC0) · www.idea.org/words/grimmer