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

• sash line
• sash lock
• sash weight
• sash window
• sashay
• sashimi
• Saskatchewan
• saskatoon
• Sasquatch
• sass
• sassaby
• sassafras
• Sassafras albidum
• sassafras laurel
• sassafras oil
• sassafras tree
• Sassenach
• sassing
• sassy
• Sat
• Sat Nav
• Satan
• satang
• satanic
• satanical