Answer:

QUICKSAND

AnswerCrossword Clue
QUICKSANDMarsh hazard
QUICKSANDBog material
QUICKSANDHazard in jungle movies
QUICKSANDMovie-serial hazard
QUICKSANDTreacherous trap.
QUICKSANDTreacherous ground.
QUICKSANDUnsafe footing.
QUICKSANDTreacherous footing
QUICKSANDPitfall of sorts
QUICKSANDGeorge in a hurry?
QUICKSANDJungle hazard
QUICKSANDStuff that can give you a sinking feeling?
QUICKSANDPitfall!
QUICKSANDIt can give you a sinking feeling
QUICKSANDIntelligent beach material?
QUICKSANDTrap for the unwary
QUICKSANDIt takes time to sink in
QUICKSANDSomething that gives you a sinking feeling