Synonyms for Barrier:

n.

confines, control, range. balustrade, cattle guard, fencing, include, partition, thing, chicken wire, barricade tape, chain-link fence. embarrassment, hamper, help, inconvenience, open, predicament, problem, traverse. divider, marker, peg, separator. bar (noun)
bamboo curtain, barbed wire, boundary, check, difficulty, earthwork, embankment, fortification, iron curtain, let, limit, limitation, outwork, pale, palisade, picket, preventive, stopper, trench, stumbling block, sound or sonic or transonic barrier.
barrier (noun)
roadblock.
bulwark (noun)
guard, outwork, stronghold.
defense (noun)
answer, argument, armor, aversion, backfire, barricade, buffer, counterattack, countermeasure, cover, defense, fortress, guard, harbor, moat, protection, rebuttal, reply, resistance, response, retort, return, safeguard, screen, security, shelter, shield, stronghold, support, wall.
enclosure (noun)
cage, cell, confinement, enclosure, envelopment, fence, jail, pen, prison, trap.
fortification (noun)
earthwork, palisade.
hindrance (noun)
bafflement, block, blockade, blockage, bottleneck, brake, bung, burden, catch, choke, clog, complication, congestion, constipation, constraint, crimp, dam, damper, delay, deterrent, disadvantage, drag, drawback, encumbrance, entanglement, entrapment, frustration, handicap, hindrance, hurdle, impasse, impedance, impediment, inhibition, interruption, jam, mire, obstacle, obstruction, opposition, plug, restraint, restriction, snag, snarl, stay, stop, stoppage, tangle.
obstruction (noun)
barricade, blockade, boundary, confines, curtain, enclosure, fence, fortification, hurdle, impediment, limit, moat, obstacle, pale, palisade, roadblock, stop, trench, wall.
obstruction to goal (noun)
check, difficulty, drawback, encumbrance, handicap, hindrance, limitation, preventive, restraint, restriction, stumbling block.
restraint (noun)
restraint.
shade (noun)
awning, blind, canopy, curtain, lamp shade, panoply, parasol, shade, shadow, shutter, sunshade, umbrella, veil, venetian blind, visor, blinders.

Other synonyms:

balustrade, barbed wire, cattle guard, divider, earthwork, embarrassment, fencing, inconvenience, predicament, separator, chicken wire, stumbling block, barricade tape, chain-link fence. fortification, limitation, marker, partition. peg. traverse. stockade
palisade.
Other relevant words:
balustrade, bamboo curtain, boundary, check, confines, difficulty, divider, earthwork, embankment, fencing, fortification, hamper, iron curtain, limit, limitation, outwork, pale, palisade, partition, predicament, preventive, roadblock, separator, traverse, trench, stumbling block, chain-link fence.

Usage examples for barrier

  1. Across the barrier the classes can and do exchange much more kindness than we at a distance imagine; and I do not see why this is not a good time to say that the English manner to dependants is beyond criticism. – London Films by W.D. Howells
  2. He reconnoitred the whole ground, and issued orders for the immediate destruction of the Kirkway, the last important barrier which separated the fleet from Leyden. – The Rise of the Dutch Republic, Volume II.(of III) 1566-74 by John Lothrop Motley Last Updated: January 25, 2009
  3. There was a barrier between us. – Ayesha The Further History of She-Who-Must-Be-Obeyed by H. Rider Haggard