1. (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"
2. (adj)cogent, telling, weighty powerfully persuasive "a cogent argument"; "a telling presentation"; "a weighty argument"
3. (adj)impressive, telling producing a strong effect "gave an impressive performance as Othello"; "a telling gesture"
Definition of 'telling'
