adj. 25B6; adjective
a rude man : ILL-MANNERED, bad-mannered, impolite, discourteous, uncivil, unmannerly, mannerless; impertinent, insolent, impudent, disrespectful, cheeky; churlish, curt, brusque, brash, offhand, short, sharp; offensive, insulting, derogatory, disparaging, abusive; tactless, undiplomatic, uncomplimentary.
rude jokes : VULGAR, coarse, smutty, dirty, filthy, crude, lewd, obscene, off colour, offensive, indelicate, tasteless; risqué, naughty, ribald, bawdy, racy; informal blue; Brit. informal near the knuckle; N. Amer. informal gamy; euphemistic adult.
a rude awakening : ABRUPT, sudden, sharp, startling; unpleasant, nasty, harsh.
(dated) a rude cabin : PRIMITIVE, crude, rudimentary, rough, simple, basic.
(archaic) a rude and barbarous people : UNEDUCATED, ignorant, illiterate; uncultured, uncivilized, unrefined; rough, coarse, uncouth, boorish.
polite, clean, luxurious, civilized.