deep water
Where divers descend
Deep water refers to water of substantial depth, whether literal or figurative.
The phrase most often appears in the idiom in deep water, meaning in trouble or difficulty—the image being someone out of their depth, unable to touch bottom.
She found herself in deep water after the audit revealed discrepancies.
Literally, deep water describes ocean zones, swimming pools, or other bodies where the bottom is far below the surface.
Immeasurably profound depth
- trenchLong narrow excavation
- fathomNautical depth unit
- bathymetrySubaqueous topographical measurement
- submersibleUnderwater exploration vehicle
sonar · benthic · pelagic · thermocline · hydrothermal vents · abyssal · marine biology · continental shelf
abyss
Immeasurably profound depth
- trenchLong narrow excavation
- fathomNautical depth unit
- bathymetrySubaqueous topographical measurement
submersible · sonar · benthic · pelagic · thermocline · hydrothermal vents · abyssal · marine biology · continental shelf · oceanic trench
over one's head
Beyond one's understanding
- drowningDeath by water inhalation
- quagmireSoft, wet ground
- predicamentDifficult, unpleasant situation
peril · jeopardy · crisis · plight · mire · dilemma · bind · distress · danger · risk
- beach safetylifeguard, rip current, warning flag, red flag, no swimming
- Waterside Trailstrails, footpaths, paths, paved trails, loop trails
- oceanographyoceanography, oceanographer, sonar, marine science, ocean circulation
- FjordsNorwegian fjords, steep cliffs, inlet, glacial valleys
- lake habitatsshoreline, lake bottom, shallows, reed beds, cattails
- Water Conditionsvisibility, turbidity, current, tide, salinity
deep watershallow water
Low-depth aquatic area
shallows · shoals · tidal flats · mudflats · shoreline
deep watersolid ground
Stable surface beneath
smooth sailing · easy street · safe harbor · calm waters · clear sailing
deep, water, depth, watery, underwater, deepen, waterway, waterproof, deepest