unswimmable
Too dangerous swimming
Unswimmable describes water that cannot be safely or practically swum in.
A channel might be unswimmable due to strong currents, dangerous wildlife, pollution, or sheer distance: The river was unswimmable after the chemical spill.
The cold made the lake essentially unswimmable until July.
Turbulent river section
- whirlpoolRotating water formation
- churningAgitated circular motion
- turbulentViolently agitated or disturbed
- ragingViolently uncontrolled
swift · currents · torrents · surging · eddies · undercurrents · riptides · cascading
Capable of causing harm
- contaminatedMade impure by contact
- sewageLiquid refuse in drains
- industrialOf factories and production
- chemicalsManufactured or isolated substances
murky · stagnant · bacteria · algae bloom · eutrophic · runoff · effluent · oil slick
Likely to cause injury
- perilousFraught with danger
- treacherousDisloyal and dangerous
- deadlyAble to cause expiration
- unsafeLikely to cause harm
risky · life-threatening · lethal · fatal · precarious · unforgiving · shark-infested · hypothermic
rapids
Turbulent river section
- whirlpoolRotating water formation
- churningAgitated circular motion
- turbulentViolently agitated or disturbed
raging · swift · currents · torrents · surging · eddies · undercurrents · riptides · cascading · roiling
toxic
Capable of causing harm
- contaminatedMade impure by contact
- sewageLiquid refuse in drains
- industrialOf factories and production
chemicals · murky · stagnant · bacteria · algae bloom · eutrophic · runoff · effluent · oil slick · waste
hazardous
Likely to cause injury
- perilousFraught with danger
- treacherousDisloyal and dangerous
- deadlyAble to cause expiration
unsafe · risky · life-threatening · lethal · fatal · precarious · unforgiving · shark-infested · hypothermic · riptide
shallow
Without much depth
vegetation · sandbars · coral · jellyfish · weeds · submerged · jagged · rocky · silted · overgrown