telling

Adjective

• producing a strong effect
  • gave an impressive performance as Othello
    
  • a telling gesture
    

• powerfully persuasive
  • a cogent argument
    
  • a telling presentation
    
  • a weighty argument
    

• disclosing unintentionally
  • a telling smile
    
  • a telltale panel of lights
    
  • a telltale patch of oil on the water marked where the boat went down
    

Noun

• disclosing information or giving evidence about another

• informing by words

• an act of narration
  • he was the hero according to his own relation
    
  • his endless recounting of the incident eventually became unbearable
    

Related words

• Synonyms: 
  impressive , cogent , weighty , revealing , telltale(a) , tattle , singing , apprisal , notification , relation , recounting