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bar·ri·er

barrier

 
 
pronunciation:
baer i r
part of speech: noun
definition 1: A barrier is something that is put up to keep people or things from getting into something. A barrier is often a fence or wall.
There is a barrier around the area where the accident happened.A bandage acts as a barrier against germs.
synonyms:
obstacle
similar words:
barricade, fence, moat, railing, wall
definition 2: A barrier is a natural thing that blocks a way of traveling somewhere.
The mountains were a barrier to many people trying to travel west.
synonyms:
obstacle
similar words:
block