cutting edge noun 2cutting-edge adjective 1forms 3 noun2 •The sharp edge of the blade of a knife or other cutting tool. •The forefront, or position of greatest advancement in some field.The company prides itself for staying at the cutting edge of technology. cutting-edge adjective1 •Representing the forefront, or position of greatest advancement in some field. formscutting edges · more cutting-edge · most cutting-edge