1. a feeling of unhappiness and anger because someone has something that you want
2. a feeling of unhappiness and anger because you think that someone you love is interested in another person

Examples

• Her jealousy toward her sister’s success was obvious to everyone.
• He felt a pang of jealousy when he saw his friend’s new car.
• The actor’s jealousy over his co-star’s popularity affected their relationship.
• She couldn’t hide her jealousy when her boyfriend talked to other women.
• His jealousy destroyed what could have been a happy marriage.
• The child’s jealousy of the new baby was completely normal.
• Professional jealousy among colleagues can create a toxic work environment.