insolent
IN-suh-luntadjMeaning boldly rude and disrespectful
Memory hook IN-SUL(T)-ENT: full of INSULTS. Told to tidy his room, teenage Rex crosses his arms and says, “Make me!” Talking back that rudely is insolent.
The insolent student rolled his eyes and yawned loudly while the principal spoke.
In context Asked politely to wait her turn, the customer was insolent: she snapped her fingers at the clerk and demanded the manager at once.
Similar rude, disrespectful, impertinent, cheeky
Opposite respectful, polite, deferential
From Latin insolens, “unusual, overbearing”: in- (not) + solere (to be used to).