OXFORD DICTIONARY
, n.
1 any woody shrub of the genus Artemisia, with a bitter aromatic taste, used in the preparation of vermouth and absinthe and in medicine.
2 bitter mortification or a source of this.
ME, alt. f. obs. wormod f. OE wormod, wermod, after worm, wood: cf. VERMOUTH
ROGET THESAURUS
Bitterness
N
bitterness, acridness, acridity, acrimony, caustic, alkali, acerbity, gall,
wormwood, bitters, astringent bitters, Angostura, aromatic bitters, sourness, pungency, alkaloids, turmeric, bitter, bitterish, acrid, acerb, acerbic, bitter as gall, bitter pill to take, sugar coating on a bitter pill.