Related Clues:
- Slightly cracked
- ''When is a door not a door? When it's ---''
- Not quite 2-Down
- Neither open nor shut
- Open slightly
- Left so as to admit some light
- Delta follower
- Clearly not locked
- Barely open
- Allowing entry
- A door that's not a door?
- Like C.I.A. operations
- Propped open
- "When it's ___" (riddle end)
- Almost closed