1. to make or become crisp; to make or become firm, dry, or brittle
Usage: third person singular present tense of 'crisp'

Examples

• The cold air crispens the fallen leaves.
• Toasting the bread crispens the edges perfectly.
• As the weather turns cooler, the grass crispens and turns brown.
• The baker crispens the pastry by baking it at a high temperature.
• Morning frost crispens the vegetables in the garden.
• She crispens her voice when she is annoyed.