- (Good) afternoon.
- (Good) afternoon.1. the appropriate greeting for use between noon and supper time. •
Sally: How are you today? Jane: Good afternoon. How are you? Sally: Fine, thank you.
•Bob: Afternoon. Nice to see you. Bill: Good afternoon. How are you? Bob: Fine, thanks.
2. an expression used on departure or for dismissal between noon and supper time. (Meaning “I wish you a good afternoon.”) •Sally: See you later, Bill. Bill: Afternoon. See you later.
•Mary: Nice to see you. Tom: Good afternoon. Take care.
Dictionary of American idioms. 2013.