1. the quality of being overly sentimental, corny, or lacking in sophistication
Usage: informal
2. the quality of having the taste, smell, or texture of cheese

Examples

• The romantic comedy’s cheesiness made it hard to take seriously.
• Despite the cheesiness of his pickup lines, she found them endearing.
• The movie’s special effects had a certain cheesiness that reminded viewers of 1980s films.
• The cheesiness of the nachos was overwhelming.
• Critics complained about the cheesiness of the dialogue in the soap opera.
• The pizza’s cheesiness was perfect for stretching Instagram photos.
• She couldn’t get past the cheesiness of the love songs he played for her.