1. the quality or state of being excessively sentimental, emotional, or effusive
Usage: informal; often used critically or dismissively
2. the quality of flowing or issuing forth rapidly and abundantly
Usage: less common

Examples

• The gushiness of her love letter made him uncomfortable.
• Critics complained about the gushiness of the movie's ending.
• His gushiness when talking about his new girlfriend was embarrassing.
• The gushiness of the fountain created a spectacular display.
• She tried to tone down the gushiness in her speech.
• The gushiness of emotion in the scene felt overdone.