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

• search language
• search mission
• search party
• search warrant
• searchable
• searcher
• searcher beetle
• searching
• searching fire
• searchingly
• searchlight
• seared
• searing
• searing iron
• searingly
• searobin
• Sears Tower
• seascape
• seashell
• seashore
• seashore mallow
• seasick
• seasickness
• seaside
• seaside alder