A structure or object that impedes free movement.

Roget 666: refuge, sanctuary, retreat, fastness; acropolis; keep, last resort; ward; prison etc. 752; asylum, ark, home, refuge for the destitute; almshouse^†; hiding place etc. (ambush) 530; sanctum sanctorum [Lat.] etc. (privacy) 893.    roadstead, anchorage; breakwater, mole, port, haven; harbor, harbor of refuge; seaport; pier, jetty, embankment, quay.    covert, cover, shelter, screen, lee wall, wing, shield, umbrella; barrier; dashboard, dasher [U.S.].    wall etc. (inclosure) 232; fort etc. (defense) 717.    anchor, kedge; grapnel, grappling iron; sheet anchor, killick^†; mainstay; support etc. 215; cheek etc. 706; ballast.    jury mast; vent-peg; safety valve, blow-off valve; safety lamp; lightning rod, lightning conductor; safety belt, airbag, seat belt; antilock brakes, antiskid tires, snow tires.    means of escape etc. (escape) 671; lifeboat, lifejacket, life buoy, swimming belt, cork jacket; parachute, plank, steppingstone; emergency landing.    safeguard etc. (protection) 664.    ... meer laten zien

Roget 706: prevention, preclusion, obstruction, stoppage; embolus, embolism [Med.]; infarct [Med.]; interruption, interception, interclusion^†; hindrance, impedition^†; retardment^†, retardation; embarrassment, oppilation^†; coarctation^†, stricture, restriction; restraint etc. 751; inhibition etc. 761; blockade etc. (closure) 261.    interference, interposition; obtrusion; discouragement, discountenance.    impediment, let, obstacle, obstruction, knot, knag^†; check, hitch, contretemps, screw loose, grit in the oil.    bar, stile, barrier; [barrier to vehicles] turnstile, turnpike; gate, portcullis.    beaver dam; trocha^†; barricade etc. (defense) 717; wall, dead wall, sea wall, levee breakwater, groyne^†; bulkhead, block, buffer; stopper etc. 263; boom, dam, weir, burrock^†.    drawback, objection; stumbling-block, stumbling-stone; lion in the path, snag; snags and sawyers.    encumbrance, incumbrance^†; clog, skid, shoe, spoke; drag, drag chain, drag weight; stay, stop; preventive, prophylactic; load, burden, fardel^†, onus, millstone round one's neck, impedimenta; dead weight; lumber, pack; nightmare, Ephialtes^†, incubus, old man of the sea; remora.    difficulty etc. 704; insuperable etc. 471; obstacle; estoppel [Law]; ill wind; head wind etc. (opposition) 708; trammel, tether etc. (means of restraint) 752; hold back, counterpoise.    [person who hinders] damper, wet blanket, hinderer, marplot, killjoy; party pooper [Coll.]; party crasher, interloper.    trail of a red herring; opponent etc. 710.    ... meer laten zien

Roget 717: defense, protection, guard, ward; shielding etc. v.; propugnation^†, preservation etc. 670; guardianship.    area defense; site defense.    self-defense, self-preservation; resistance etc. 719.    safeguard etc. (safety) 664; balistraria^†; bunker, screen etc. (shelter) 666; camouflage etc. (concealment) 530; fortification; munition, muniment^†; trench, foxhole; bulwark, fosse^†, moat, ditch, entrenchment, intrenchment^†; kila^†; dike, dyke; parapet, sunk fence, embankment, mound, mole, bank, sandbag, revetment; earth work, field-work; fence, wall dead wall, contravallation^†; paling etc. (inclosure) 232; palisade, haha, stockade, stoccado^†, laager^†, sangar^†; barrier, barricade; boom; portcullis, chevaux de frise [Fr.]; abatis, abattis^†, abbatis^†; vallum^†, circumvallation^†, battlement, rampart, scarp; escarp^†, counter-scarp; glacis, casemate^†; vallation^†, vanfos^†.    buttress, abutment; shore etc. (support) 215.    breastwork, banquette, curtain, mantlet^†, bastion, redan^†, ravelin^†; vauntmure^†; advance work, horn work, outwork; barbacan^†, barbican; redoubt; fort-elage [Fr.], fort-alice; lines.    loophole, machicolation^†; sally port.    hold, stronghold, fastness; asylum etc. (refuge) 666; keep, donjon, dungeon, fortress, citadel, capitol, castle; tower of strength, tower of strength; fort, barracoon^†, pah^†, sconce, martello tower^†, peelhouse^†, blockhouse, rath^†; wooden walls.    [body armor] bulletproof vest, armored vest, buffer, corner stone, fender, apron, mask, gauntlet, thimble, carapace, armor, shield, buckler, aegis, breastplate, backplate^†, cowcatcher, face guard, scutum^†, cuirass, habergeon^†, mail, coat of mail, brigandine^†, hauberk, lorication^†, helmet, helm, bassinet, salade^†, heaume^†, morion^†, murrion^†, armet^†, cabaset^†, vizor^†, casquetel^†, siege cap, headpiece, casque, pickelhaube, vambrace^†, shako etc. (dress) 225.    bearskin; panoply; truncheon etc. (weapon) 727.    garrison, picket, piquet; defender, protector; guardian etc. (safety) 664; bodyguard, champion; knight-errant, Paladin; propugner^†.    bulletproof window.    hardened site.    ... meer laten zien

Roget 752: prison, prison house; jail, gaol, cage, coop, den, cell; stronghold, fortress, keep, donjon, dungeon, Bastille, oubliette, bridewell^†, house of correction, hulks, tollbooth, panopticon^†, penitentiary, guardroom, lockup, hold; round house, watch house, station house, sponging house; station; house of detention, black hole, pen, fold, pound; inclosure etc. 232; isolation (exclusion) 893; penal settlement, penal colony; bilboes, stocks, limbo, quod [Lat.]; calaboose, chauki^†, choky^†, thana^†; workhouse [U.S.].    Newgate, Fleet, Marshalsea; King's Bench, Queen's Bench.    bond; bandage; irons, pinion, gyve, fetter, shackle, trammel, manacle, handcuff, straight jacket, strait jacket, strait-jacket, strait-waistcoat, hopples^†; vice, vise.    yoke, collar, halter, harness; muzzle, gag, bit, brake, curb, snaffle, bridle; rein, reins; bearing rein; martingale; leading string; tether, picket, band, guy, chain; cord etc. (fastening) 45; cavesson^†, hackamore [U.S.], headstall, jaquima [U.S.], lines, ribbons.    bolt, deadbolt, bar, lock, police lock, combination lock, padlock, rail, wall, stone wall; paling, palisade; fence, picket fence, barbed wire fence, Cyclone fence, stockade fence, chain-link fence; barrier, barricade.    drag etc. (hindrance) 706.    ... meer laten zien

Roget 232: inclosure, envelope; case etc. (receptacle) 191; wrapper; girdle etc. 230.    pen, fold; pen fold, in fold, sheep fold; paddock, pound; corral; yard; net, seine net.    wall, hedge, hedge row; espalier; fence etc. (defense) 717; pale, paling, balustrade, rail, railing, quickset hedge, park paling, circumvallation^†, enceinte, ring fence.    barrier, barricade; gate, gateway; bent, dingle [U.S.]; door, hatch, cordon; prison etc. 752.    dike, dyke, ditch, fosse^†, moat.    ... meer laten zien

Nederlands: barrière, versperring
Pools: szlaban

Any condition that makes it difficult to make progress or to achieve an objective:
— Intolerance is a barrier to understanding.

synoniem: roadblock.

Anything serving to maintain separation by obstructing vision or access.

Pools: bariera