Roget's Thesaurus: Entry 395 (Unsavoriness)

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#395. Unsavoriness. -- N. unsavoriness &c. adj.; amaritude[obs]; acrimony, acridity (bitterness) 392b; roughness &c. (sour) 397; acerbity, austerity; gall and wormwood, rue, quassia[obs], aloes; marah[obs]; sickener[obs].

V. be unpalatable &c. adj.; sicken, disgust, nauseate, pall, turn the stomach.

Adj. unsavory, unpalatable, unsweetened, unsweet[obs]; ill-flavored; bitter, bitter as gall; acrid, acrimonious; rough.

offensive, repulsive, nasty; sickening &c. v.; nauseous; loathsome, fulsome; unpleasant &c. 830.