be careful, because impure motor oil can damage your car's engine
Victorian notions of what qualified as impure art now strike us as laughable.
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The evocation of the boy’s impure actions, as well as the undertow of sexuality in both his parish priest’s solicitude and his father’s violence, caught the attention of the censors, who typically busied themselves outlawing pulp erotica.—Sam Sacks, Harper's Magazine, 2 Jan. 2025 Falwell, among other notable preachers, criticized Carter's interview with Playboy as an example of voicing impure thoughts.—Liam Adams, The Tennessean, 29 Dec. 2024 Pop entered a renaissance thanks to smart young women sharing impure thoughts.—Spencer Kornhaber, The Atlantic, 17 Dec. 2024 Wad, perhaps the most abundant, is a dark-brown-to-black, very soft, earthy mineral that is commonly considered an impure hydrous oxide of manganese.—arkansasonline.com, 30 Nov. 2024 See all Example Sentences for impure
Word History
Etymology
Middle English, from Middle French & Latin; Middle French, from Latin impurus, from in- + purus pure
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