Ajar/əˈdʒɑːr/ Definition 1 of 2Pro Tip 1/3Slightly Open Indicates a small opening, enough to notice but not wide open. I noticed the door was ajar and peeked inside. Pro Tip 2/3Hint of Access Suggests a space is accessible, but privacy is still considered. He kept his office door ajar during meetings. Pro Tip 3/3Visual Cue Used to create a subtle visual signal that someone or something is available or ongoing. She left her room ajar to show she was only resting.