Answer: congest

AnswerCrossword Clue
CONGESTClog, as traffic
CONGESTOvercrowd
CONGESTClog
CONGESTProduce a jam
CONGESTJailbird's exploit?
CONGESTStop up
CONGESTClog up
congestto fill to excess; clog
congestto make (a body part) abnormally full of blood or other fluid
congestto fill to excess