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1. Of skin, roughened as a result of cold or exposure
   "cracked lips";
   - chapped, roughened
    
2. Of paint or varnish; having the appearance of alligator hide
   - alligatored
    
3. Informal or slang term meaning insane, strange, eccentric or stupid
   - balmy [archaic], barmy, bats, batty, bonkers, buggy [N. Amer], crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky, daffy, dippy, nutsy [N. Amer], potty [Brit], daft as a brush [Brit], round the twist [Brit], wacko, cuckoo

1. (of a voice) harsh or dissonant

1. Become fractured; break or crack on the surface only
   "The glass cracked when it was heated";
   - check, break
    
2. Make a very sharp explosive sound
   "His gun cracked"
    
3. Make a sharp sound
   "his fingers cracked";
   - snap
    
4. Hit forcefully; deal a hard blow, making a cracking noise
   "The teacher cracked him across the face with a ruler"
    
5. Pass through (a barrier)
   "Registrations cracked through the 30,000 mark in the county";
   - break through
    
6. Break partially but keep its integrity
   "The glass cracked"
    
7. Break suddenly and abruptly, as under tension
   "The pipe cracked";
   - snap
    
8. Gain unauthorized access to computers with malicious intentions
   "she cracked my password"; "crack a safe"
    
9. Suffer a nervous breakdown
   - crack up, crock up, break up, collapse
    
10. Tell spontaneously
    "crack a joke"
     
11. Cause to become cracked
    "heat and light cracked the back of the leather chair"
     
12. (chemistry) reduce (petroleum) to a simpler compound by cracking
     
13. (chemistry) break into simpler molecules by means of heat
    "The petroleum cracked"
     
14. (of a voice) change in pitch, esp. as a result of emotional strain
     
15. Yield information under interrogation or torture
    "They managed to crack him on the third day";
    - break
     
16. Successfully decipher a code
    - break

See also: insane, rough, unsmooth

Type of: alter, break, break down, break in, break up, change, come apart, decompose, fall apart, get, go, go across, go through, have, hit, modify, narrate, pass, recite, recount, retail[2], separate, sound, split up, suffer, sustain, tell

Encyclopedia: Cracked