Definition of Rude

Adjective: rude (ruder,rudest) rood

Socially incorrect in behaviour
"resentment flared at such a rude intrusion";
- ill-mannered, bad-mannered, unmannered, unmannerly
(of persons) lacking in refinement or grace
"I did not know I contradicted anybody in calling your mother rude";
- ill-bred, bounderish [Brit, archaic], lowbred, underbred, yokelish, clodhopping
Lacking civility or good manners
"want nothing from you but to get away from your rude tongue";
- uncivil
(used especially of commodities) being unprocessed or manufactured using only simple or minimal processes
"bales of rude cotton";
- natural, raw
Belonging to an early stage of technical development; characterized by simplicity and (often) crudeness
"the crude weapons and rude agricultural implements of early man";
- crude, primitive
[Brit] Good and vigorous
"in rude health"