Noun: crustiness krús-tee-nus
- The state or quality of having crust or being like crust; hardness
"The bread's crustiness made it perfect for dipping in soup"
- The quality of being crusty, surly, or irritable in manner
"The old man's crustiness softened when he saw the children"
- The state of being crisp or having a hard outer layer
"The crustiness of the bread was perfect for dipping in soup"