flippant Synonyms

light-minded putting one on saucy scatter-brained scornful silly smart smirking snickering satirical rude ridiculing respectless presumptuous prankish playful pert offhand snouty speechful superficial in fun unserious smart-alecky profanatory sassy lightsomely lighthearted impish tongue-in-cheek lightheaded offhanded whimsical unpassionate unfilial uncivil tossy thoughtless malapert long-tongued facetious disrespectful dismissive discourteous derisive contemptuous comic cocky cheeky cavalierly