Word family
(noun)
water waters
(adjective)
underwater water waterless
(verb)
water
(adverb)
underwater
From Longman Dictionary of Contemporary Englishunderwaterun‧der‧wa‧ter /ˌʌndəˈwɔːtə◂ $ ˌʌndərˈwɒːtər◂, -ˈwɑː-/ ●●○ adjective [only before noun]UNDER/BELOWbelow the surface of an area of water, or able to be used there
an underwater camera —underwater adverb
He dived underwater and swam away.Examples from the Corpusunderwater• Are some renowned amongst their fellows for the quality of their underwaterballads and harmonies?• Monterey Bay in northernCalifornia is an underwatercanyon about the size and depth of the Grand Canyon.• He could not tell whether they were broken ends, or perhaps the loose ends from underwaterknots that had come undone.• Each guide also includes full colourunderwaterphotographsillustrating the marine life you could expect to see.• underwater plants• The Weathermatic happily bobbed about in mountainpools, the automaticflash adding sparkle to underwatershots.