Funny Feels and How to Talk About Them

The last item in this chapter refers to feelings.    Generally speaking, feelings are adjectives, which agree in gender and number. This implies that you need to be aware if you are talking about yourself or others in the singular and/or plural form.    As such, a question such as “Cómo estás?” (how are you?) can be replied with:

Notice how most of the adjectives are presented as “o/a” in order to indicate their masculine or feminine form. There are a couple of exceptions, such as “feliz,” “triste,” and “optimista,” which do not have a specific gender form. So, please make sure to use them without changing their ending. Nevertheless, they do have a singular and plural form. So, make sure to keep this in mind.

Definition of Fear:- As per Cambridge dictionary a Fear is 
An unpleasant emotion or thought that you have when you are frightened or worried by something dangerous, painful, or bad that is happening or might happen: Examples
1) Trembling with fear, she handed over the money to the gunman.
2) Even when the waves grew big, the boy showed no (signs of) fear.
3) I have a fear of heights.
4) The low profit figures simply confirmed my worst fears.

Ref:- Cambridge Dictionary

Definition of Anger:- As per Cambridge dictionary a Anger is 
A strong feeling that makes you want to hurt someone or be unpleasant because of something unfair or unkind that has happened: Examples of Anger
1) I think he feels a lot of anger towards his father, who treated him very badly as a child.
2) There is a danger that anger at the new law may turn into anti-government feeling.
3) The people showed no surprise or anger at their treatment.
4) He found it hard to contain (= control) his anger.

Ref: Cambridge Dictionary 

Definition of Disgust:- As per Cambridge dictionary a Disgust is 
A strong feeling of disapproval and dislike at a situation, person's behaviour, etc.:
Few Examples

1) We are demonstrating to show our anger and disgust at the treatment of refugees.
2) He resigned from the committee in disgust at the corruption.
3) Beresford, much to his disgust, was fined for illegal parking.
4) She walked out in disgust.

Ref: Cambridge Dictionary