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barrier

barrier /ˈberijɚ/ noun
plural barriers
barrier
/ˈberijɚ/
noun
plural barriers
Britannica Dictionary definition of BARRIER
[count]
: something (such as a fence or natural obstacle) that prevents or blocks movement from one place to another
see also barrier island, barrier reef, crash barrier
: a law, rule, problem, etc., that makes something difficult or impossible
: something that makes it difficult for people to understand each other often + between
: a level, amount, or number that is difficult to get past
see also sound barrier