Not all there

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phrasal adjective

Not fully aware or not completely mentally sound.

After the accident, he's been acting like he's not all there.
Visual representation of "not all there" - Not fully aware or not completely mentally sound

Often appears as...

  • act like he's not all there
  • seems not all there

Usage tips

Disapproving

Colloquial

Definition 1 of 1
Visual representation of "not all there"
LampPro Tip 1/3

Context Clues

Look for context clues around the phrase to determine if it’s about mental presence or mental health.

Illustration for Context Clues
He forgot his keys again; he's not all there today.
LampPro Tip 2/3

Colloquial Tone

It's used in informal conversations and may not be suitable for formal contexts or writing.

Illustration for Colloquial Tone
Ever since she retired, she seems not all there when you chat with her.
LampPro Tip 3/3

Potential Offense

Be aware it might offend if someone interprets it as a remark on their intelligence or mental health.

Illustration for Potential Offense
Whispering that he's not all there might upset his family.
Visual representation of the word "Not all there"

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