1. the quality of having a pleasantly sharp, spicy, or tangy taste
2. the quality of being stimulating, provocative, or appealingly lively

Examples

• The piquantness of the salsa made it a perfect complement to the mild tortilla chips.
• She added lime juice to enhance the piquantness of the dish.
• The piquantness of his wit kept everyone entertained at dinner.
• The sauce lacked piquantness and needed more seasoning.
• Her writing style has a certain piquantness that makes it memorable.
• The piquantness of the conversation made the evening fly by.