Contemptuous or ironic in manner or wit
Her derisive attitude will not be tolerated long here.
No one wants to deal with Jim beecause he is so derisive towards his coworkers.
She let out a short, derisive laugh when she heard the latest news from her gossiping friends.
Phin practically withered under the derisive grins of the school bullies.
Her latest email seemed almost derisive, but it's hard to tell.