When it comes to describing something that tastes sour, there are a variety of words that can be used in English. Some may be more commonly used than others, but all can effectively convey the same meaning.
One of the most basic words used to describe something sour is simply "sour" itself. This can be applied to a variety of foods and drinks, from sour candy to lemons or vinegar. Saying something is "tart" is another way to describe sourness, especially when it comes to fruit. For example, a tart apple is one that is less sweet and more acidic than others.
Another word that can be used in place of "sour" is "acidic". This can be used to describe anything that contains acid, even if it may not necessarily have a sour taste. For example, stomach acid can be described as acidic, even though the taste is not typically experienced in the same way as sour foods and drinks.
If you want to get a little more specific in your description, you can use the word "tangy". This describes a sour taste that also has a bit of a zing to it, often due to the presence of certain acids. Something that is tangy can be described as having a sharp, bright taste, that may be a bit more complex than just "sour".
When it comes to describing drinks, a common term that is used to describe sourness is "sour mix". This is a mixture of lemon or lime juice and simple syrup that is often used in cocktails to add a sour kick. If a drink is too sour, it can be described as "overly tart". Similarly, if a food is too sour, it may be described as "too acidic" or "harsh."
In some cases, sourness can be used to describe a feeling or emotion, rather than a taste. For example, if someone is feeling bitter or resentful, you might describe them as being sour. This is a more figurative use of the word, and can be used to describe a variety of negative emotions or attitudes.
There are many ways to describe something that is sour in English, from simple words like "sour" and "tart" to more complex terms like "tangy" and "acidic". Whether you are describing a food or a feeling, there is a word that can effectively and accurately convey the meaning you are trying to express.