1. (noun)bog, peat bog 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
2. (verb)bog down, bog cause to slow down or get stuck "The vote would bog down the house"
3. (verb)bog down, bog get stuck while doing something "She bogged down many times while she wrote her dissertation"