Synonyms for Obscene:

adj.

bawdy (adjective)
indecent.
blue (adjective)
salty.
earthy (adjective)
ribald.
impure (adjective)
immoral, impure, unclean, dirty, sordid, imperfect, blemished, slovenly, defective.
indecent, offensive, immoral (adjective)
impure, salacious, wicked, coarse, profane, filthy, shameless, unclean, disgusting, smutty, unwholesome, gross, barnyard, ribald, foul, bawdy, scurrilous, pornographic, outrageous, scatological, repugnant, crude, dirty, nasty, shocking, rank, lewd, raw.
low (adjective)
undignified.
obscene (adjective)
pornographic, dirty, naughty, gross, vulgar, filthy, indecent.
unclean (adjective)
infectious, slovenly, smutty, septic, squalid, putrid, foul, disgusting, defiled, muddy, sloppy, festering, unsanitary, impure, mucky, fetid, dusty, scruffy, filthy, dingy, unclean, shabby, offensive, odious, sordid, unhygenic, grungy, murky, dirty, icky, scatological, grubby, grimy, toxic, crummy, insalubrious, untidy.
vulgar (adjective)
earthy, clumsy, low, graceless, shameless, revolting, cockney, base, homespun, scandalous, crude, salty, animal, barbaric, tawdry, vulgar, broad, outlandish, offensive, ignominious, idiomatic, sordid, inelegant, ignoble, repulsive, sleazy, coarse-grained, barnyard, gross, undignified, indelicate, chintzy, unpolished, tactless, crass, rough, tasteless, coarse, rude, gaudy, colloquial, unrefined, brazen, unseemly, rank, philistine, ill-bred, depraved, cheap, boorish, brutish, degraded, raw, profane, unbecoming, in bad taste, common, garish, glaring.

adv

beastly (adverb)
brutish.

n.

abusive, vitriolic, foul-mouthed, ripe. ridiculous, shocking, preposterous, unreasonable, usual, unconscionable, outrageous. foul (noun)
unwholesome.
lewd (noun)
ribald.
obscene (noun)
indecent, offensive, repulsive, dirty, salacious, lewd, abhorrent, repugnant, detestable.

Other synonyms:

ripe, Fescennine, abusive, scatologic, vitriolic, foul-mouthed. bawdy. preposterous, unconscionable, outrageous, unreasonable, ridiculous. shocking. nasty. indecent
scurrilous.
Other relevant words:
outrageous, scatologic, ribald, usual, unethical, preposterous, abhorrent, Fescennine, ridiculous, bawdy, shocking, unwholesome, vitriolic, ripe, deviant, lewd, repugnant, sinful, abusive, amoral, detestable, scurrilous, unconscionable, filthy, foul-mouthed, perverted, wicked, unreasonable, nasty, salacious.

Usage examples for obscene

  1. How often have I listened to the cool and haughty contralto of ladies of education and refinement who were clearly unaware that what they were encouraging, what to them afforded so much pride, what deepened their conviction of righteous sacrifice, was but an obscene outrage on the souls and bodies of young men. – Waiting for Daylight by Henry Major Tomlinson
  2. She is a young lady about whom I think even you would not make your obscene jokes if you knew her." – Secret Bread by F. Tennyson Jesse
  3. The dancing on this evening was vulgar and obscene – Commercialized Prostitution in New York City by George Jackson Kneeland