Related Clues:

• Open slightly
• Store sign
• Left so as to admit some light
• Golf tourney
• Start shooting
• Word with house or shop
• Make the first move
• Delta follower
• Clearly not locked
• Bid one club, e.g.
• Barely open
• Allowing entry
• Crack, as a book
• Play first with Goren
• A door that's not a door?