1. (adjective) affording unobstructed entrance and exit; not shut or closed

• open

2. (adjective) not buttoned

• unbuttoned

3. (adjective) not tied

• untied

1. (adjective) not closed or secured

• unbarred
• unbolted
• unlatched
• unlocked
• unsecured
• undone

2. (adjective) affording unobstructed entrance and exit; not shut or closed

• ajar
• wide-open

3. (adjective) not buttoned

• open-collared

1. (adjective) affording unobstructed entrance and exit; not shut or closed

• open

1. (adjective) not closed or secured

• fastened

2. (adjective) affording unobstructed entrance and exit; not shut or closed

• closed
• shut
• unopen

3. (adjective) not buttoned

• buttoned
• fastened

4. (adjective) not tied

• fastened
• tied