Search Result for "roadblock": 
Wordnet 3.0

NOUN (2)

1. any condition that makes it difficult to make progress or to achieve an objective;
- Example: "intolerance is a barrier to understanding"
[syn: barrier, roadblock]

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.;
[syn: roadblock, barricade]



WordNet (r) 3.0 (2006):

roadblock
    n 1: any condition that makes it difficult to make progress or
         to achieve an objective; "intolerance is a barrier to
         understanding" [syn: barrier, roadblock]
    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.
       [syn: roadblock, barricade]