Definition of all there in English:

all there

phrase

informal
  • usually with negative In full possession of one's mental faculties.

    ‘he's not quite all there’
    • ‘You're not all there are you Mike? You should think seriously about getting some professional help.’
    • ‘He stalks this girl he's in love with, but he's not all there.’
    • ‘There's another wee guy who was not quite all there and he used to go into the record shop and ask for Elvis' latest hit.’
    • ‘He was now looking at me as if I was not all there.’
    sensible, well adjusted, reasonable, rational, level-headed, sound, practical, discerning, logical, able to think clearly, lucid, clear-headed, coherent
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