1. The state or quality of having crust or being like crust; hardness 
2. The quality of being crusty or surly

Derived forms: crustinesses

• cigarette case
• cigarette holder
• cigarette lighter
• cigarette paper
• cigarette smoker
• cigarfish
• cigarillo
• ciggy
• cilantro
• cilial
• ciliary
• ciliary artery
• busy
• busy bee
• busybodied
• busybody
• busyness
• busywork
• but
• but then
• butacaine
• butacaine sulfate
• butadiene
• butane
• butanoic acid