1. (noun)relation, telling, recounting an act of narration "he was the hero according to his own relation"; "his endless recounting of the incident eventually became unbearable"
2. (noun)telling, apprisal, notification informing by words
4. (adj)revealing, telling, telltale(a) disclosing unintentionally
"a telling smile"; "a telltale panel of lights"; "a telltale patch of oil on the water marked where the boat went down"
5. (adj)cogent, telling, weighty powerfully persuasive
"a cogent argument"; "a telling presentation"; "a weighty argument"
6. (adj)impressive, telling producing a strong effect "gave an impressive performance as Othello"; "a telling gesture"