1. partial darkness; dim light between full light and complete darkness

Examples

• The room was filled with semidarkness after the curtains were drawn.
• We waited in the semidarkness of the theater before the show began.
• The forest path was shrouded in semidarkness under the thick canopy.
• She could barely make out his face in the semidarkness of the hallway.
• The semidarkness of dawn made it difficult to see clearly.
• They sat together in comfortable semidarkness by the firelight.