dark
Definition
Lacking or having very little light; characterized by absence of light.
Gloomy, cheerless, or somber in tone or mood.
Of a deep shade, typically black or brown, as in color or complexion.
Sinister, evil, or mysterious in nature.
In technology, referring to a user interface theme with dark backgrounds and light text, as in 'dark mode'.
Examples
The room was so dark after the power outage that I high-fived the coat rack thinking it was my roommate.
Her dark sense of humor had the whole table chuckling nervously about why the skeleton didn't go to the party.
He switched his phone to dark mode because staring at bright screens at 2 a.m. felt like a personal attack on his soul.
With her dark hair and brooding stare, she looked like the villain in a rom-com who steals all the best lines.