Sourer and/or sourest is a suggestion. Bitter is another suggestion.
The word 'sour' is a verb (sour, sours, souring, soured), an adjective (sour, more sour, most sour), and a noun (sour, sours). Example uses: Verb: Your milk will sour more readily if you keep it in the door of the refrigerator. Adjective: The sour cherries make excellent muffins. Noun: I'll have a whiskey sour please.
Some compound words that start with the word 'sour' are sourdough, sourpuss, and sourgrass. Some terms that use the adjective 'sour' are sour cream, sour grapes, sour apples, and sour milk.
The word sour has two syllables. The syllables of the word are sou-r.
The word, acerbic, comes from the Latin word, acere and means to be sour. Acidic is another term for something that is sour.
Vinegar (vin aigre = sour wine)
sour
Sweet is the opposite of sour.
The word for "sour" in Portuguese is "azedo" or "ácido."
Most acids are sour and corrode metals.
war heads are the most sour candy
The Latin adjective acidus means sour.
säuern