Definition of sumph in English:

sumph

noun

Scottish
  • A stupid or clumsy person.

    • ‘In a world of gamaleeries and hinkum sneevies, of muckle sumphs and mowdieworts, we salute you noo, oor Willie Goo.’
    • ‘There we stood like two sumphs, (as Hogg calls those who are ganging a bit aglee in their wits) gaping and staring at each other with a look which said, why did not you shoot?’
    idiot, ass, halfwit, nincompoop, blockhead, buffoon, dunce, dolt, ignoramus, cretin, imbecile, dullard, moron, simpleton, clod
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Origin

Early 18th century: of unknown origin.

Pronunciation

sumph

/sʌmf/