Synset

(of a body of water) free from disturbance by heavy waves
<adj.all>   freq. cnt.: 7 freq. cnt.: 3 freq. cnt.: 2 freq. cnt.: 1 freq. cnt.: 1

placid

quiet

smooth

still

tranquil

unruffled

sample sentences

"a ribbon of sand between the angry sea and the placid bay"
"the quiet waters of a lagoon"
"a lake of tranquil blue water reflecting a tranquil blue sky"
"a smooth channel crossing"
"scarcely a ripple on the still water"
"unruffled water"