1. lasting for a long time; slow to end or disappear
2. remaining or staying somewhere for longer than expected

Examples

• She had a lingering cold that lasted for weeks.
• The lingering smell of smoke filled the room.
• He cast a lingering glance at the old photograph.
• There were lingering doubts about the decision.
• The guests were still lingering at the party after midnight.
• A lingering sadness remained after the funeral.
• The medicine helped clear up his lingering cough.