Definition of unconscionable adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ʌnˈkɒnʃənəbl//
    ; NAmE NAmE//ʌnˈkɑːnʃənəbl//
    [usually before noun] (formal) Embarrassment, Immoral
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  1. 1(of an action, etc.) so bad, immoral, etc. that it should make you feel ashamed It would be unconscionable for her to keep the money. See related entries: Embarrassment, Immoral
  2. 2(often humorous) too great, large, long, etc. synonym excessive You take an unconscionable amount of time getting dressed!
  3. Word Originmid 16th cent.: from un- ‘not’ + obsolete conscionable, from conscience (interpreted as a plural) + -able.
See the Oxford Advanced American Dictionary entry: unconscionable