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

• Hygrophorus inocybiformis
• Hygrophorus kauffmanii
• Hygrophorus marzuolus
• Hygrophorus purpurascens
• Hygrophorus russula
• Hygrophorus sordidus
• Hygrophorus tennesseensis
• Hygrophorus turundus
• hygrophyte
• hygrophytic
• hygroscope
• hygroscopic
• Hygroton
• liquorice root
• Lir
• lira
• Liriodendron
• Liriodendron tulipifera
• Liriope
• Liriope muscari
• lis pendens
• Lisboa
• Lisbon
• Lise Meitner
• lisinopril