1803, from un- (1) "not" + scrupulous (adj.). Related: Unscrupulously; unscrupulousness.
unscrupulous politicos who would be happy to sell...their country in order to gain power
unsavory
unscathed
unschooled
unscramble
unscriptural
unscrupulous
unseal
unsearchable
unseasonable
unseasoned
unseat
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