Technically, “quicksand " is the term for sand that is so saturated with water as to acquire a liquid's character.
                    
                
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                Athat is so saturated with water as to acquire a liquid's character
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                Bthat is so saturated with water that it acquires the character of a liquid
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                Cthat is saturated with water enough to acquire liquid characteristics 
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                Dsaturated enough with water so as to acquire the character of a liquid
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                Esaturated with water so much as to acquire a liquid character
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