1. not blocked or obstructed; free from clogs

Examples

• The drain was finally unclogged after using the plunger.
• Make sure the air filter remains unclogged for proper ventilation.
• The unclogged pipe allowed water to flow freely again.
• After cleaning, the showerhead was completely unclogged.
• The mechanic ensured all fuel lines were unclogged.
• An unclogged chimney is essential for safe fireplace use.