1. Get stuck while doing something
   "She bogged down many times while she wrote her dissertation";
   - bog
    
2. Be unable to move further
   "The car bogged down in the sand";
   - grind to a halt, get stuck, mire
    
3. Cause to get stuck as if in a mire
   "The mud bogged down our cart";
   - mire
    
4. Cause to slow down or get stuck
   "The vote would bog down the house";
   - bog

Derived forms: bogs down, bogging down, bogged down

Type of: break, break off, cease, discontinue, forbid, foreclose, forestall, give up, lay off, preclude, prevent, quit, slow, slow down, slow up, stand still, stop, surcease [archaic]