Definify.com

Webster 1913 Edition

(ănˊtĭ-pĕrˊĭ-stăl′tĭk)

Adj.

(Med.)

Opposed to, or checking motion; acting upward; – applied to an inverted action of the intestinal tube.

Adj.

[See Peristaltic.]

Opposed to peristaltic; retroverted, as in vomiting; as, the antiperistaltic motion of the intestines.

antiperistaltic ‎(not comparable)

of or relating to anteperistalsis

that blocks or stops peristalsis