snide /snaɪd/adjective 2noun 2forms 3 adjective2 •Disparaging or derisive in an insinuative way.Don't make snide remarks to me. •Tricky; deceptive; false; spurious; contemptible.I knew without studying them that the rings and the watch were snide, and the jewel a paste one; but they were damn fine counterfeits. — 2002 noun2 •An underhanded, tricky person given to sharp practice; a sharper; a cheat. •Counterfeit money. formssnides · snider · snidest