deep waters

Where light fades

Deep waters refers to dangerous, difficult, or unfamiliar territory—situations where one may be out of their depth.

The phrase evokes the peril of swimming beyond one's ability: She found herself in deep waters after taking on the merger negotiations.

Often appears as in deep waters or into deep waters, suggesting someone has ventured past safety into trouble.

Related

diving · peril · in over your head · worry · seas · unfathomable · anxiety · shipwreck · mysterious · secrets · troubled · nautical · sea creatures · maritime · aquatic · swimming · murky · undertow

Categories
Opposites
physical depth

deep watersshallow waters

Low-depth aquatic zones

shallows · tidal flats · mudflats · sandbars · shoals

difficulty/danger (metaphorical)

deep waterssolid ground

Stable surface beneath

safe harbor · shallow end · shallow waters · smooth sailing · easy street

knowledge/expertise domain

deep waterscommon knowledge

Widely shared information

layman's terms

Family

deep, water, depth, watery, deeply, watered, watering, depths, deepen

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G