adjective

expressing contempt or ridicule.

he gave a harsh, derisive laugh

mocking,ridiculing,jeering,scoffing,jibing,pillorying,teasing,derisory,snide,disdainful,disparaging,denigratory,dismissive,slighting,detracting,contemptuous,sneering,scornful,taunting,insulting,caustic,scathing,sarcastic,satirical,lampooning,snidey,sarky,contumelious