bog

(noun) wet spongy ground of decomposing vegetation; has poorer drainage than a swamp; soil is unfit for cultivation but can be cut and dried and used for fuel. Synonyms: peat bog.

(verb) cause to slow down or get stuck. Synonyms: bog down. Example: "The vote would bog down the house."

(verb) get stuck while doing something. Synonyms: bog down. Example: "She bogged down many times while she wrote her dissertation."