sour has definitions from the fields of food,psychology
1
[ verb ] go sour or spoil

Synonyms

turn work ferment

Examples

"The milk has soured" "The wine worked" "The cream has turned--we have to throw it out"

Used in print

(Evan Esar, Humorous English; a guide to comic ,...)

Such ambiguous exercises compound confusion by making it worse compounded , and they are sometimes expanded until the cream of the jest sours .

2
[ verb ] make sour or more sour

Used in print

(T. C. McClary, "The Flooded Desert," Argosy,...)

It was spoiled now for seed , and it would sour and mold in three days if they failed to find a place and fuel to dry it .

3
[ adjective ] smelling of fermentation or staleness

Synonyms

rancid

Used in print

(Octavia Waldo, A Cup of the Sun....)

Yet if he were not there , they would have missed him , as they would have missed the sounds of bees buzzing against the screen_door in early June ; or the smell of thick tomato_paste - the ripe smell that was both sweet and sour - rising_up from aluminum trays wrapped in fly dotted cheesecloth .

Related terms

malodorous

4
[ adjective ] inaccurate in pitch

Synonyms

off-key false

Examples

"a false (or sour) note" "her singing was off key"

Related terms

inharmonious

5
[ adjective ] in an unpalatable state

Synonyms

turned off

Examples

"sour milk"

Related terms

soured

6
[ noun ] (psychology,food) the taste experience when vinegar or lemon juice is taken into the mouth

Synonyms

tartness sourness

Related terms

taste acidity

7
[ adjective ] inaccurate in pitch

Synonyms

off-key false

Examples

"a false (or sour) note" "her singing was off key"

Related terms

inharmonious

8
[ adjective ] having a sharp biting taste
9
[ adjective ] showing a brooding ill humor

Examples

"a dark scowl" "the proverbially dour New England Puritan" "a glum, hopeless shrug" "in moody silence" "a morose and unsociable manner" "a saturnine, almost misanthropic young genius"- Bruce Bliven "a sour temper"

Related terms

ill-natured

10
[ adjective ] one of the four basic taste sensations; like the taste of vinegar or lemons

Related terms

tasteful

11
[ noun ] (food) a cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar

Related terms

cocktail whiskey_sour

12
[ noun ] (food) the property of being acidic

Synonyms

acidity sourness

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