Sour orange, also known as bitter orange or Seville orange, has a tart and sour taste that is typical of citrus fruits. If you're looking to mix up your vocabulary, there are plenty of synonyms for sour orange that capture this delightful flavor. These could include zesty orange, tangy orange, pungent orange, acrid orange, or bitter-sweet orange. Other options might include sharp orange, astringent orange, acidic orange, or mouth-puckering orange. With so many ways to describe the sour orange, there's no excuse for not finding the perfect synonym to suit your needs.