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vulgar; unrefined
「不粋」 has another reading with different meanings.
boorish; inelegant; unpolished; unromantic; tactless
その映画えいがの不粋ぶすいな部分ぶぶんが気きになった。
I was bothered by the vulgar parts of the movie.
不粋ぶすいな服装ふくそうでパーティーに行っいった。
I went to the party in a vulgar outfit.