A1N1T1I1P3E1R1I1S1T1A1L1S1I1S1
17 points
ANTIPERISTALSIS is no goodvalid
Not a playable Scrabble word in NWL2023.
the action of intestinal waves of contraction contrary to normal, from anus to mouth, forcing the contents of the intestine upwards [n ANTIPERISTALSES]