Related Clues:

• Slightly cracked open
• Like an unshut door
• Nearly closed, as a door
• Not fully closed, as a door
• Cracked just a little
• Kinda guarded, or a homophonic hint to the starred answers
• Letting in some air
• 'When it's ___' (answer to an old riddle)
• The one that's not open could start to mature like wine, by the start of the year
• "Fly Trapped in ___" Modest Mouse
• With a wee opening
• A container slightly open
• Partly open a glass container
• Just open a container
• Secret deliveries taken into court