Synonyms of barrier in English:

barrier


See definition of barrier

noun

1‘police erected barriers to control the crowd’

SYNONYMS
fence, railing, barricade, hurdle, bar, blockade, roadblock
fencing

2‘a barrier to international trade’

SYNONYMS
obstacle, obstruction, hurdle, stumbling block, bar, block, impediment, hindrance
snag, catch, drawback, hitch, handicap, deterrent, complication, difficulty, problem, disadvantage, balk, curb, check, stop
informal fly in the ointment, hiccup, facer
British informal spanner in the works
North American informal monkey wrench in the works
literary trammel
archaic cumber