What is the meaning of Swamp?

A piece of wet, spongy land; low ground saturated with water; soft, wet ground which may have a growth of certain kinds of trees, but is unfit for agricultural or pastoral purposes (a type of wetland).

A place or situation that is foul or where progress is difficult.

To drench or fill with water.

To overwhelm; to make too busy, or overrun the capacity of.

To plunge into difficulties and perils; to overwhelm; to ruin; to wreck.

Source: wiktionary.org