Roadblock has 4 different meanings across 1 category:
Noun
Noun
1
any condition that makes it difficult to make progress or to achieve an objective
"intolerance is a barrier to understanding"
2
a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc.
3
Something that blocks or obstructs a road.
Verb
Broader Terms (hypernyms)
Narrower Terms (hyponyms)