underwater
1. [ adjective ] beneath the surface of the water
Synonyms: submersed submerged
Examples:

"submerged rocks"

Related terms: subsurface
2. [ adjective ] (biology) growing or remaining under water
Synonyms: subaquatic submerged submersed subaqueous
Examples:

"viewing subaqueous fauna from a glass-bottomed boat" "submerged leaves"

Related terms: biology aquatic
Similar spelling:   underwriter
  underrate
  underwrite
  undertaker
  understate
  unweathered
  underway
  underpart
  underdrawers
  underwear
  undertone
  undertide
  undertake
  undersurface
  undercoat
  underframe
  underworld
  underquote
  undercover
  undereducated
  undergraduate
  undercoated
  undercharge
  underactive
  undersealed
  understated
  underweight
  under_wraps
  unmoderated
  undergo
  underage
  undercut
  underfur
  undersea
  underact
  undertow
  underlie
  under_it
  underseller
  undergird
  undergarment
  underfoot
  Underdown
  under_way
  underfed
  underdone
  underdog
  undercurrent
  undergrad
  underbid
  underfelt
  underarm
  underline
  undershot
  underside
  undergrow
  underseal
  underplay
  underpin
  undermine
  underpay
  underlay
  underwing
  underivative
  Underwood
  undersize
  understood
  understock
  underbred
  understand
  undersoil
  underbody
  underboss
  under_that
  understudy
  underhand
  undersign
  undershrub
  undersell
  Underdahl
  underperform
  underpass
  underneath
  underling
  underived
  underhung
  Underhill
  underclass
  under_arms