Quicksand is deep, wet sand that you sink into if you try to walk on it.
The sandbank was uncertain, like quicksand under his feet.
2. uncountable noun
You can refer to a situation as quicksand when you want to suggest that it is dangerous or difficult to escape from, or does not provide a strong basis for what you are doing.
I was about to sink into the quicksand of sin.
The research seemed founded on quicksand.
quicksand in British English
(ˈkwɪkˌsænd)
noun
a deep mass of loose wet sand that submerges anything on top of it
quicksand in American English
(ˈkwɪkˌsænd)
noun
a deep, semifluid deposit or bed of sand in which an animal, heavy object, etc. may be trapped or engulfed
Word origin
ME quykkesand: see quick & sand
Examples of 'quicksand' in a sentence
quicksand
She walked towards him as if she was struggling through quicksand.
Thomas, Rosie THE WHITE DOVE (2001)
Right then was when I needed Eric Right then was when I needed somebody stronger than me to talk me through the coming quicksand hours.
Shell, Ray ICED (2001)
Knowing Seiko is bad enough, but caring about her is the same as getting caught in quicksand.