Definition of unco in English:

unco

adjective

Scottish
  • Unusual or remarkable.

    • ‘So he mounted the blocks in his resplendent blue Speedos and did a massive unco belly flop on the starters gun.’
    • ‘A straight right, an upper cut, a right hook or some unco combination of all three?’
    • ‘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.’
    • ‘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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adverb

Scottish
  • [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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noun

Scottish
  • 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. 1.1News.
      • ‘Each tells the uncos that he sees or hears.’

Origin

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

Pronunciation:

unco

/ˈəNGkō//-kə/