voyeur, n. peeper, Peeping Tom, peeker; breather; fetishist, pervert.

vulgar, adj. 1. ignorant, uninformed, unaware, unsophisticated, artless; unlearned, uneducated, untaught, unversed, unlettered, illiterate; ill-bred, unbred, untrained; unrefined, uncultured, ungentleman-ly, unladylike, uncultivated, uncivilized; gauche, uncouth, crude, crass, rude, boorish, loutish, brutish, raw, unmannerly, ill-mannered, uncivil; coarse, rough, base, baseborn, tatty; inferior, ignoble, raffish, low, lowly, low-class, humble, untitled.
2. indecent, broad, immodest, shameless, indelicate, indecorous, inelegant; improper, unseemly, unacceptable, tawdry, Inf. tacky; gross, rank, repulsive, offensive, disgusting, distasteful, risqu£, suggestive, offcolor, Inf. blue; outrageous, lurid, sensational, scurrilous, blackguardly, thersitical, profane, foulmouthed, Fescennine, Obs. blackguard, Archaic, scur-rile.
3. obscene, lewd, salacious, pornographic, vile, foul, filthy, dirty, smutty, nasty, scatologic, scatological, SI. raunchy; lecherous, lubricous, goatish, lustful, libidinous, concupiscent, carnal, sexy, sensual, Archaic. lickerish; licentious, lascivious, Cyprian, prurient, wanton, loose, libertine, promiscuous, Paphian, unchaste; immoral, degenerate, dissolute, dissipated, debauched, rakish, profligate, depraved, perverted.
4. proletarian, plebeian, provincial, peasantlike, of the masses, working-class, blue-collar; (all of language) vernacular, colloquial, spoken.
5. popular, current, in vogue, all the rage; prevalent, rife, widespread, general, universal; conventional, conforming, philistine, bourgeois.
6. ordinary, undistinguished, plain, homespun; common, average, usual, commonplace, household, everyday; banal, trite, platitudinous, hackneyed, overused, stale, tired.

vulgarian, n. parvenu, upstart, snob, Fr. nouveau riche; Boetian, philistine, barbarian; swine, boor, lout, brute, churl, knave, blackguard; clodhopper, bumpkin, yokel, rustic, clown, peasant, illiterate.

vulgarism, n. 1. indecency, obsceneness, grossness. See - vulgarity (defs. 1, 2).
2. obscenity, ribaldry, profanity. See - vulgarity (def. 3).

vulgarity, n. 1. ignorance, unsophistication, unawareness, naTvet6, nafveness; gaucheness, gaucherie, uncouthness, crassness, rudeness, boorishness, brutishness, rawness; ill breeding, unmannerliness; illmanneredness, uncivility, uncivilness, ungentlemanliness; coarseness, roughness, baseness, commonness, ignobility, raffishness, inferiority, lowliness, humbleness.
2. indecency, indecorum, indecorousness, indelicacy; impropriety, unseemliness, tawdriness; grossness, rankness, repulsiveness, repulsivity, offensiveness, suggestivity; abusiveness, scurrilousness, blackguardism, profaneness.
3. obsceneness, vulgarness, lewdness, salaciousness, vileness, foulness, filthiness, nastiness, SI. raunchiness; lecherousness, lubricity, lustfulness, bawdiness, libidinousness, concupiscence, carnality, carnalness, sexiness, sensuality; licentiousness, lasciviousness, wantonness, looseness, promiscuity, prominscuous-ness; immorality, dissoluteness, dissipation, rakishness, shamelessness.
4. obscenity, salacity, pornography, vulgarism, filth, dirt, smut; scurrility, ribaldry, billingsgate, profanity, double entendre, Archaic, bawdry; curse word, swearword, dirty word, four-letter word, U.S. Inf. cuss, expletive.