Unrefined (3)

(Other definitions for crass that I've seen before include "Grossly stupid, tactless" , "Boorish about scars" , "Tactless, boorish" , "'Gross, vulgar (5)'" , "Indelicate" .)

(Other definitions for crude that I've seen before include "Uncouth" , "Cured (anag.)" , "foul-mouthed?" , "Not refined, like oil" , "Rough or undeveloped" .)

(Other definitions for rough that I've seen before include "Nasty" , "Approximate - rudimentary" , "Sketchy" , "Delinquent" , "Crude" .)

(Other definitions for vulgar that I've seen before include "Common, tasteless" , "Coarse and uncouth" , "Coarse or ribald" , "Coarse, boorish" , "Unrefined" .)

(Other definitions for earthy that I've seen before include "Lusty, coarse" , "Unrefined - the ray (anag)" , "Vulgar, of the soil" , "Hearty and lusty" , "Like soil; uninhibitedly direct" .)

(Other definitions for coarse that I've seen before include "Unpolished -- ribald" , "Rude, base" , "Rough to the touch or lacking refinement" , "Rough, uncouth" , "lacking in taste" .)

(Other definitions for natural that I've seen before include "Unaffected - musical character" , "Not artificial or affected" , "Regular" , "Illegitimate" , "Normal; not sharp or flat" .)