Definition of mumpish in English:

mumpish

adjective

informal, dated
  • Sullen; sulky.

    • ‘I've even learned to look past her attempts to create an unwelcome climate for those of us who are striving to take steps against the whole mumpish brotherhood of fatuous nincompoops.’
    • ‘Bring on the Wodehouse, I say, that sovereign remedy for any mumpish disharmony of mood.’
    • ‘Most of all, I despise his complete obliviousness to the fact that anyone who has spent much time wading through the pious, obscurantist, jargon-filled cant that now passes for ‘advanced’ thought in the humanities already knows that his advocates are an amalgamation of hopeless cutthroats, mumpish criticasters, and other incoherent subversive-types.’
    • ‘The piece on the sonnets has a lovely description of a sonnet's action, but descends into mumpish fact and opinion, like lecture notes put into a compactor.’
    sullen, sulky, gloomy, bad-tempered, ill-tempered, in a bad mood, dour, surly, sour, glum, moody, unsmiling, humourless, uncommunicative, taciturn, unresponsive, unsociable, scowling, glowering, ill-humoured, sombre, sober, saturnine, pessimistic, lugubrious, eeyorish, mournful, melancholy, melancholic, doleful, miserable, dismal, depressed, dejected, despondent, downcast, unhappy, low-spirited, in low spirits, low, with a long face, blue, down, fed up, grumpy, irritable, churlish, cantankerous, crotchety, cross, crabbed, crabby, grouchy, testy, snappish, peevish, crusty, waspish
    View synonyms

Origin

Early 18th century: from obsolete mump ‘grimace, have a miserable expression’+ -ish.

Pronunciation:

mumpish

/ˈmʌmpɪʃ/