When you hate on a person. For example if someone always get attention by someone you like and you get mad cus you wish you were that person thats jealousy.
What Does Jealous Mean?
You can describe the word jealous as meaning insecure in your trust of others. It could be a love interest, a sibling even a co-worker.
It means that the person cares for you so much , or they could have some trust issues with you
Showing extreme cupidity; painfully desirous of another's advantages
Jealous is a feeling you will feel when the person you love is close to Other heterosexual.
It means when you love things which don't belong to you and the interest is there