From what I can tell, the definition of 'brut' is fairly close to brutal, but more in the sense of brutal honesty, rather than brutal violence.

Adjective

gross: brut, grossier, flagrant, choquant, fruste, bouffi

crude: brut, vulgaire, grossier, cru, simple, sec

raw: brut, cru, pur, écru, âpre, novice

unrefined: non raffiné, brut

dry: sec, aride, séché, brut, tari, caustique

rude: grossier, rude, impoli, mal élevé, brut, brusque

Noun

crude: brut

plug-ugly: dur, brut

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