adjective, sour·er, sour·est.
verb (used without object)
verb (used with object)
- sour cherry,
- sour cream,
- sour dock,
- sour gourd,
- sour grapes
Origin of sour
Examples from the Web for sourness
This will correct any tendency to sourness, and make the yeast more brisk.Directions for Cookery, in its Various Branches|Eliza Leslie
You found that, in two experiences, hardness and greenness in apples went together with sourness.Man's Place in Nature and Other Essays|Thomas Henry Huxley
You found that, in two experiences, hardness and greenness in apples go together with sourness.
Nevertheless, she displayed no prudery, no sourness, in the practice of her peculiar virtue.Sentimental Education Vol 1|Gustave Flaubert
It was to him the one smart of sourness in her charm as a woman.Diana of the Crossways, Complete|George Meredith
Word Origin for sour
Old English sur "sour, tart, acid, fermented," from Proto-Germanic *sura- "sour" (cf. Old Norse surr, Middle Dutch suur, Dutch zuur, Old High German sur, German Sauer), from PIE root *suro- "sour, salty, bitter" (cf. Old Church Slavonic syru, Russian syroi "moist, raw;" Lithuanian suras "salty," suris "cheese").
French sur "sour, tart" (12c.) is a Germanic loan-word. Meaning :having a peevish disposition" is from early 13c. Sense in whisky sour (1885) is "with lemon added" (1862). Sour cream is attested from 1855.
c.1300, from sour (adj.). Cf. Old High German suren, German säuern. Related: Soured; souring.