1. (

• sour ,
• sourness ,
• tartness

) the taste experience when vinegar or lemon juice is taken into the mouth ;

2. (

• sourness ,
• sour ,
• acidity ,

) the property of being acidic ;

3. (

• sulkiness ,
• sullenness ,
• moroseness ,
• sourness ,

) a sullen moody resentful disposition ;