1. Incapable of being recovered or regained
   - unrecoverable

See also: irretrievable, lost, unretrievable

• Cryptacanthodes maculatus
• cryptanalysis
• cryptanalyst
• cryptanalytic
• cryptanalytics
• cryptic
• cryptic coloration
• cryptical
• cryptically
• crypto-
• cryptobiosis
• cryptobiotic
• Cryptobranchidae
• Cryptobranchus
• Cryptobranchus alleganiensis
• Cryptocercidae
• Cryptocercus
• cryptococcosis
• cryptocoryne
• cryptocrystalline
• cryptogam
• Cryptogamia
• cryptogamic
• cryptogamous
• cryptogram