Sinonim crestless wave

English Thesaurus

1. the undulating movement of the surface of the open sea (noun.event)

hypernym	:	moving ridge, wave,
definition	:	one of a series of ridges that moves across the surface of a liquid (especially across a large body of water) (noun.event)

hyponym	:	ground swell, heavy swell,
definition	:	a broad and deep undulation of the ocean (noun.event)