darkening Meaning, Definition & Usage

1. noun changing to a darker color
   blackening.
   
2. verb become dark or darker
   darken.
   
   • The sky darkened
3. verb tarnish or stain
   darken.
   
   • a scandal that darkened the family's good name
4. verb make dark or darker
   darken.
   
   • darken a room
5. adjective satellite becoming dark or darker as from waning light or clouding over
   
   • the darkening sky

WordNet