1 (of a person, remark, etc.) impolite or offensive.
2 roughly made or done; lacking subtlety or accuracy (a rude plough).
3 primitive or uneducated (rude chaos; rude simplicity).
4 abrupt, sudden, startling, violent (a rude awakening; a rude reminder).
5 colloq. indecent, lewd (a rude joke).
6 vigorous or hearty (rude health).
Phrases and idioms:
be rude to speak impolitely to; insult.
Derivatives:
rudely adv. rudeness n. rudery n. rudish adj.
Etymology: ME f. OF f. L rudis unwrought
Useful english dictionary. 2012.