Noah Webster's New International Dictionary of the English Language
1. (superl.) Characterized by roughness; unpolished; raw; lacking delicacy or refinement; coarse.
2. (superl.) Unformed by taste or skill; not nicely finished; not smoothed or polished; -- said especially of material things; as, rude workmanship.
3. (superl.) of the like.
4. (superl.) Violent; tumultuous; boisterous; inclement; harsh; severe; -- said of the weather, of storms, and the like; as, the rude winter.
5. (superl.) Barbarous; fierce; bloody; impetuous; -- said of war, conflict, and the like; as, the rude shock of armies.
6. (superl.) Not finished or complete; inelegant; lacking chasteness or elegance; not in good taste; unsatisfactory in mode of treatment; -- said of literature, language, style, and the like.