1. Darken completely
   "The dining room blackened out"
   - black out

Derived forms: blackened out

Type of: darken

• -athon
• -ative
• -cephalous
• -cide
• -cracy
• -crat
• -cyte
• -ectomy
• -eer
• -esque
• -ess
• -ette
• -ferous
• -graphy
• -hedron
• -ible
• -iferous
• -ise
• -ish
• -ize
• -meister
• -metry
• -nomy
• -oholic
• -onym