See obscene in Webster's New World Roget's A-Z Thesaurus II
adjective
Offensive to accepted standards of decency:
barnyard, bawdy, broad, coarse, dirty, Fescennine, filthy, foul, gross, lewd, nasty, profane, ribald, scatologic, scatological, scurrilous, smutty, vulgar. (Slang) raunchy. See decentBeyond all reason:
outrageous, preposterous, ridiculous, shocking, unconscionable, unreasonable. Idioms: out of bounds, out of sight. See usual
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