1. in a correct or appropriate way
2. completely or thoroughly
Usage: informal
3. in a socially acceptable or respectable manner

Examples

• Make sure you wash your hands properly before eating.
• The machine won’t work if it’s not installed properly.
• She was properly dressed for the formal dinner.
• I was properly exhausted after the long hike.
• Children should learn to behave properly in public.
• The documents weren’t properly filed in the cabinet.
• He was properly grateful for all the help he received.