Definition of acidulous in US English:

acidulous

adjective

  • 1Sharp-tasting; sour.

    • ‘They have a characteristic aroma and an acidulous taste which increases as the season evolves.’
    • ‘A bright and steady colour, it charms by its bouquet which intermarries red fruit with a light acidulous taste.’
    • ‘The rind is rough and woolly and the flesh harsh and unpalatable, with an astringent, acidulous taste.’
    • ‘Our citric acid is a natural, odourless and colourless crystalline substance with a pleasantly refreshing acidulous taste.’
    • ‘They are acid, and considered by some to be better than tamarind for the preparation of acidulous drinks.’
    acidic, sour, tart, bitter, unsweetened, sharp, biting, acrid, pungent, acerbic, vinegary, vinegarish, acetic, acetous
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    1. 1.1 (of a person's remarks or tone) bitter; cutting.
      • ‘I am so upset at some of the very acidulous remarks made by some people.’
      • ‘Your candid approach mixed with acidulous remarks makes you the frivolous person you are.’
      • ‘Miss Grimes's distinctive voice and manner cut through the tedium even as she makes her first acidulous comment about the widow Harbury.’
      • ‘Seldom has a more acidulous portrait of the city been drawn by one of its preeminent members.’
      • ‘Peter Bowles as Judith's novelist husband best catches the acidulous tone of Coward's comedy of bad manners.’
      acerbic, sarcastic, sharp, sardonic, satirical, scathing, cutting, razor-edged
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Origin

Mid 18th century: from Latin acidulus (from acidus ‘sour’) + -ous.

Pronunciation

acidulous

/əˈsijələs//əˈsɪdʒələs/