afterglow noun5 •The glow seen in the sky after sunset.Let my thoughts come to you, when I am gone, like the afterglow of sunset at the margin of starry silence. — 1916 •The light emitted by an incandescent object while cooling. •The light emitted by a phosphor after excitation. •The mildly euphoric feeling experienced after a pleasurable experience, especially after an orgasm or drug-induced high.She herself had grown old as people should grow old—steadily and firmly. No interruptions, no belated after-glows and spasmodic returns. — 1922 •An afterparty.There's an afterglow with singing after the evening worship. formsafterglows