A greeting said when meeting somebody in the afternoon.(phrase)
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Use "good afternoon" in a sentence
"For the 36,213 fans who showed up at the ballpark on Father's Day, it was a good afternoon to spend roaming the concourses."
"‘And good afternoon to you too, sir!’ replied Nora briskly, all too aware of the drawbacks of working in an open-plan office."
"Mother Jude herself hovered round him in the parlour before the meal was served, and informed his mother that he had had a long and tiring journey, and that she was going to make special arrangements for him to have a good afternoon sleep in one of the bedrooms after lunch."