1. Inclined to secrecy or reticence about divulging information
   - close, closelipped, closemouthed, secretive

See also: incommunicative, uncommunicative

• Hipparchus
• hippeastrum
• Hippeastrum puniceum
• hipped
• hipped roof
• hipped tile
• hippie
• hippies
• hippo
• Hippo Regius
• Hippobosca
• Hippobosca equina
• hippoboscid
• Hippoboscidae
• hippocampus
• Hippocastanaceae
• hippocras
• Hippocrates
• Hippocratic
• Hippocratic oath
• Hippocrene
• Hippocrepis
• Hippocrepis comosa
• Hippodamia
• Hippodamia convergens