1. Used of persons; emotionally hardened
   "faced a case-hardened judge"
   - hardened, hard-boiled

1. To subject to a process which converts the surface of iron into steel 
2. To render insensible to good influences

See also: hard

• genus Chrysophrys
• genus Chrysophyllum
• genus Chrysopsis
• genus Chrysosplenium
• genus Chrysothamnus
• genus Chunga
• genus Cibotium
• genus Cicada
• genus Cicer
• genus Cichorium
• genus Ciconia
• loose-jointed
• loose-jowled
• loose-leaf lettuce
• looseleaf
• loosely
• loosely knit
• loosen
• loosen up
• loosened
• looseness
• looseness of the bowels
• loosening
• loosestrife
• loosestrife family