1. The state or quality of being mysterious 
2. Something mysterious; a mystery

Derived forms: mysteriousnesses

• genus Crocus
• genus Crocuta
• genus Cronartium
• genus Crotalaria
• genus Crotalus
• genus Crotaphytus
• genus Croton
• genus Crotophaga
• genus Cryptacanthodes
• genus Cryptobranchus
• genus Cryptocercus
• genus Cryptocoryne
• genus Cryptogramma
• genus Cryptomeria
• genus Cryptoprocta
• genus Cryptotermes
• genus Cryptotis
• genus Ctenocephalides
• genus Ctenocephalus
• genus Cuculus
• genus Cucumis
• genus Cucurbita
• genus Culcita
• genus Culex
• genus Cuminum