condescending
kon-dih-SEN-dingadjMeaning talking down to others as if they were less smart or important
Memory hook con-DESCEND: talks DOWN to you. Rex bends way down to talk to the head chef as if she were a baby: “This is a SPOON.” His tone is condescending.
The salesman used a condescending tone, explaining what a “button” was.
In context Grandma has driven a tractor for fifty years, so she laughed at the young mechanic’s condescending lecture on how to start an engine.
Similar patronizing, superior, snobbish, arrogant
Opposite respectful, humble
From Latin condescendere, “to stoop, come down”: con (with) + descendere (to come down).