Symbol placed in superscript after a number to denote the opening of an angle or the length of an arc, or in front of an uppercase letter to identify a scale of measurement. English French Visual Dictionary. Free Online Dictionary.
Making the world better, one answer at a time. The opposite of dull (edge) is sharp, or pointed. The opposite of dull (appearance) is shiny, sparkling, bright, or lustrous. The opposite of dull (boring subject) is exciting, or interesting.The opposite of dull (personality) is lively, interesting, captivating or intriguing.The opposite of dull (intelligence) is smart, bright, clever, or ingenious.aking the world better, one answer at a time. The opposite of dull (edge) is sharp, or pointed. The opposite of dull (appearance) is shiny, sparkling, bright, or lustrous. The opposite of dull (boring subject) is exciting, or interesting.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  dull(Verb) To render dull; to remove or blunt an edge or something that was sharp. Years of misuse have dulled the tools. 2  dull(Verb) To soften, moderate or blunt. He drinks to dull the pain. 3  dull(Verb) To lose a sharp edge; to become dull. A razor will dull with use.