Synonym: bitter, disagreeable, peevish, rancid, unpleasant. Antonym: sweet. Similar words: south, soup, source, southern, pass out, resource, southeast, cross out. Meaning: ['saʊə(r)] 
n. 1. a cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar 2. the taste experience when vinegar or lemon juice is taken into the mouth 3. the property of being acidic. v. 1. go sour or spoil 2. make sour or more sour. adj. 1. smelling of fermentation or staleness 2. having a sharp biting taste 3. one of the four basic taste sensations; like the taste of vinegar or lemons 4. in an unpalatable state 5. inaccurate in pitch 6. showing a brooding ill humor.
n. 1. a cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar 2. the taste experience when vinegar or lemon juice is taken into the mouth 3. the property of being acidic. v. 1. go sour or spoil 2. make sour or more sour. adj. 1. smelling of fermentation or staleness 2. having a sharp biting taste 3. one of the four basic taste sensations; like the taste of vinegar or lemons 4. in an unpalatable state 5. inaccurate in pitch 6. showing a brooding ill humor. 
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31. Do pregnant women really yearn for sour pickles?
32. Edward tasted the thin, sour wines with disgust.
33. His original enthusiasm has turned sour.
34. Most green fruit is sour.
35. By the next day the wine had turned sour.
36. She gave me a sour look.
37. Their relationship soon went sour.
38. This milk has gone sour.
39. Green apples are sour.
40. The recipe says you can substitute yoghurt for the sour cream.
41. He said he didn't want the job anyway , but that's just sour grapes.
42. I don't think it's such a great job - and that's not just sour grapes because I didn't get it.
43. The meeting ended on a sour note with several people walking out.
44. The milk smelled sour.
45. Their songs are filled with tales of love gone sour.
46. The meeting ended on a sour note with neither side able to reach agreement.
47. These accusations have been going on for some time now[sentencedict.com/sour.html], but it is just sour grapes.
48. The medicine left a sour taste in the back of my throat.
49. The milk smells sour.
50. If you leave milk in the sun, it goes sour quickly.
51. The milk's turned sour.
52. The milk turned sour in the heat/The heat turned the milk sour.
53. His disapproving attitude toward cars is simply sour grapes; the fact is that he would like to have a car but can't afford to buy one.
54. Eliza was tall and thin, with a rather sour face.
55. He says he didn't want to marry her anyway , but that's just sour grapes.
56. The vision of bedsit freedom would soon turn sour.
57. She always had the same sour expression.
58. Brown said his rival's comments were just sour grapes..
59. A strange, sour smell pervaded the air.
60. It was a sour smell, but good.