Meaning

A bit off or dim, lacking full wits.

Origin

From 19th-century Britain, tied to mind; 'not there' meant dull, slang by 1860s for off. A 1864 'Times' uses it for a daft soul.

Variants

  • All not there

Usage Examples

  • He's not all there; misses the point.
  • Not all there; she forgets half.
  • Not all there; bit odd today.

Browse More