Synonyms : morass, quag, quagmire, slack

Example : They waded through the slop.

Synonyms : slop

Example : The country is still trying to climb out of the mire left by its previous president.
Caught in the mire of poverty.

Example : Our people should not be mired in the past.

Synonyms : entangle

Example : The mud mired our cart.

Synonyms : bog down

Example : The car bogged down in the sand.

Synonyms : bog down, get stuck, grind to a halt

Example : The child mucked up his shirt while playing ball in the garden.

Synonyms : muck, muck up, mud