Definition of unco in English:



  • Unusual or remarkable.

    • ‘While I may be friends with someone similar to me, I've never been attracted to someone who was noticeably unreliable; prone to depression or unco.’
    • ‘A straight right, an upper cut, a right hook or some unco combination of all three?’
    • ‘So he mounted the blocks in his resplendent blue Speedos and did a massive unco belly flop on the starters gun.’
    • ‘I was so excited I tripped and twisted my ankle (although not, of course, in an unco way).’
    • ‘I mean for a professional cricketer to slide his foot way back in line with his stumps and then rake across them there's something either very unco or very illicit going on.’
    extraordinary, exceptional, amazing, astonishing, astounding, marvellous, wonderful, sensational, stunning, incredible, unbelievable, miraculous, phenomenal, prodigious
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  • [as submodifier] Remarkably; very:

    ‘it's got an unco fine taste’
    • ‘Colours mingled unco fine.’
    very, extremely, exceedingly, exceptionally, especially, tremendously, immensely, vastly, hugely
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  • 1A stranger.

    • ‘Best of all, even a total unco like me can complete the tasks with a bit of practice.’
    unknown person
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    1. 1.1uncos News.
      • ‘Each tells the uncos that he sees or hears.’


Late Middle English (in the sense ‘unknown, strange’): alteration of uncouth.