riptide

[ rip-tahyd ]
/ ˈrɪpˌtaɪd /

noun

a tide that opposes another or other tides, causing a violent disturbance in the sea.

Origin of riptide

First recorded in 1860–65; rip2 + tide1

SYNONYMS FOR riptide

See undertow.

British Dictionary definitions for rip-tide

riptide
/ (ˈrɪpˌtaɪd) /

noun

Also called: rip, tide-rip a stretch of turbulent water in the sea, caused by the meeting of currents or abrupt changes in depth
Also called: rip current a strong current, esp one flowing outwards from the shore, causing disturbance on the surface