darkening
/ˈdɑrkənɪŋ/
noun
- The process of becoming darker or less bright.
- The darkening of the room made it easier to see the movie.
- The darkening of the sky signaled an approaching storm.
- We watched the gradual darkening of the forest as the sun set.
Synonyms
adjective
- Becoming dark or darker.
- In the darkening hallway, he could barely see the door.
- She looked out at the darkening horizon with concern.
- The darkening clouds warned us to head indoors.