de·ri·sive \də̇ˈrīs]iv, dēˈ-, ]ēv also ]əv sometimes -riz] or -rīz] or -ris]\adjective Etymology:derision + -ive 1.: expressing or characterized by derision : jeering < derisive taunts — Alexander Pope > 2.: causing derision : ridiculous • de·ri·sive·nessnoun-es