1. (informal) no longer maintaining contact or communication 
2. (informal) no longer up to date; not well informed with recent developments

Encyclopedia: Out of touch

• ribose
• ribosome
• ribwort
• Ricardo
• rice
• rice beer
• rice paddy
• rice paper
• rice rat
• rice weevil
• rice-grain fritillary
• ricebird
• ricegrass
• ricer
• rich
• rich man
• genus Heliothis
• genus Helipterum
• genus Helix
• genus Helleborus
• genus Helminthostachys
• genus Heloderma
• genus Helotium
• genus Helvella
• genus Helwingia