Synonyms of roadblock

Noun

1. barrier, roadblock, obstacle, obstruction

usage: any condition that makes it difficult to make progress or to achieve an objective; "intolerance is a barrier to understanding"

2. roadblock, barricade, barrier

usage: a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc.

Definition and meaning of roadblock (Dictionary)