Mordant
Pronounced < more-dent >
It means:  a sarcastic cruel and  biting wit
Daily use:  The bully once had a  mordant sense of humor.  He was very nice now.
Memory trick:  
mordant
mord (reminds of)  =   mortified or shocked surprise
ant (reminds  of)  =   a small bug or very little
 Mortifying words will make someone feel  very small
Listen: Mordant



