adjective ruder rud′er, rudest rud′·est

1. crude or rough in form or workmanship a rude hut
2. barbarous or ignorant rude savages
3. 1. lacking refinement, culture, or elegance; uncouth, boorish, coarse, vulgar, etc.
   2. Brit., Informal indecent; obscene a rude joke
4. discourteous; unmannerly a rude reply
5. rough, violent, or harsh a rude awakening
6. harsh in sound; discordant; not musical rude tones
7. having or showing little skill or development; primitive rude drawings
8. not carefully worked out or finished; not precise a rude appraisal
9. sturdy; robust; rugged rude health

Etymology: OFr < L rudis, akin to rudus, debris, rubble < IE *reud-, to tear apart < base *reu-, to tear out, dig up > rug, rotten