(1):
(superl.) Violent; tumultuous; boisterous; inclement; harsh; severe; - said of the weather, of storms, and the like; as, the rude winter.
(2):
(superl.) Characterized by roughness; umpolished; raw; lacking delicacy or refinement; coarse.
(3):
(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.
(4):
(superl.) Barbarous; fierce; bloody; impetuous; - said of war, conflict, and the like; as, the rude shock of armies.
(5):
(superl.) Of untaught manners; unpolished; of low rank; uncivil; clownish; ignorant; raw; unskillful; - said of persons, or of conduct, skill, and the like.
(6):
(superl.) Unformed by taste or skill; not nicely finished; not smoothed or polished; - said especially of material things; as, rude workmanship.