adj. 25B6; adjective
a vulgar joke : RUDE, indecent, indelicate, offensive, distasteful, coarse, crude, ribald, risqué, naughty, suggestive, racy, earthy, off colour, bawdy, obscene, lewd, salacious, smutty, dirty, filthy, pornographic, X-rated; informal sleazy, raunchy, blue, locker-room; Brit. informal saucy, close to the bone; N. Amer. informal gamy; euphemistic adult.
the decor was lavish but vulgar : TASTELESS, crass, tawdry, ostentatious, flamboyant, overdone, showy, gaudy, garish, brassy, kitsch, tinselly, loud; informal flash, flashy, tacky, over the top.
it was vulgar for a woman to whistle : IMPOLITE, ill-mannered, unmannerly, indecorous, unseemly, ill-bred, boorish, uncouth, crude, rough; unsophisticated, unrefined, common.
tasteful, decorous.