barrier

I

(New American Roget's College Thesaurus)

n. obstacle, impediment, hindrance. See enclosure, defense. Ant., entrance, opening.

II

(Roget's IV) n.

Syn. bar, obstruction, difficulty, hindrance, obstacle, hurdle, fortification, stumbling block, fence, sound or sonic or transonic barrier, restriction, limitation, restraint, impediment, let, drawback, check, preventive, encumbrance, stop, stopper, block, stay, bulwark, barricade, rampart, wall, palisade, picket, roadblock, earthwork, breastwork, outwork, embankment, parapet, blockade, moat, trench, barbed wire, entanglement, pale, limit, boundary, iron curtain, bamboo curtain.

Ant. way*, passage, opening.

See Synonym Study at impediment .

III

(Roget's 3 Superthesaurus) n.

1. physical obstruction bar, obstacle, barricade, impediment, check, roadblock, wall, rampart, bulwark, fortification, boom, palisade.

2. handicap limitation, impediment, hindrance, difficulty, obstacle, stumbling block, hurdle, obstacle.

IV

(Roget's Thesaurus II) noun 1. A solid structure that encloses an area or separates one area from another: partition, wall. See INCLUDE, THING. 2. Something that impedes or prevents entry or passage: bar, barricade, block, blockage, clog, hamper, hindrance, hurdle, impediment, obstacle, obstruction, snag, stop, traverse, wall. See HELP, OPEN.