zaglibiti se

1. (zaglibiti se) to get stuck; to get bogged down
   Auto se zaglibio u blatu posle kiše. — The car got stuck in the mud after the rain.
2. (zaglibiti se, figurative) to get bogged down; to get mired
   Zaglibio se u dugove i ne zna šta da radi. — He got mired in debt and doesn't know what to do.
   Pregovori su se zaglibili već prvog dana. — The negotiations got bogged down on the very first day.
3. (+ acc.) to get something stuck in the mud
   Zaglibio je traktor nasred njive. — He got the tractor stuck in the middle of the field.

Usually used with se, but also without it; u can take the accusative or locative: zaglibiti (se) u blato / u blatu.