pitch-black
- s extremely dark
through the pitch-black woods
- What Kapitza was doing last week was a pitch-black secret.
- British Airways, for example, offers a "jet-lag calculator" that applies research into bright-light therapy to advise passengers when to sit in a pitch-black room and when to seek .
- Blindfolded and chained by her wrists and ankles in a 2 m by 4 m pitch-black room, Aubenas was held for over five months.