1. plural of crustiness; the quality or state of being crusty, irritable, or bad-tempered
Usage: informal; usually uncountable in singular form, but plural used to denote multiple instances or manifestations
2. plural of crustiness; the quality of having a hard, brittle outer layer or crust
Usage: technical or descriptive

Examples

• The old sailor's crustinesses made him difficult to work with on long voyages.
• Her morning crustinesses disappeared after a strong cup of coffee.
• The various crustinesses of the bread's surface made it perfect for dipping.
• Despite his crustinesses, everyone respected his honesty and integrity.
• The crustinesses of the dried mud cracked under our feet as we walked.