hidden dangers

• lurkingConcealed and watchful
• perilSerious threat of harm
• trapDevice for catching animals
• unseenNot perceived visually
• threatIndication of potential harm

pitfall · risk · concealed · treacherous · snare · menace · covert · ambush · hazard · stealth · minefield · predator · shadow · venom · quicksand · undercurrent · tripwire · sabotage