cracked in WordNet English dictionary

1. of paint or varnish; having the appearance of alligator hide
   alligatored  cracked 
   
2. informal or slang terms for mentally irregular
   "it used to drive my husband balmy"
   balmy  barmy  bats  batty  bonkers  buggy  cracked  crackers  daft  dotty  fruity  haywire  kooky  kookie  loco  loony  loopy  nuts  nutty  round the bend  around the bend  wacky  whacky 
   
3. used of skin roughened as a result of cold or exposure
   "chapped lips"
   chapped  cracked  roughened