there's no such thing/person (as)
B2 used to say that something or someone does not exist:
I've told you before, sweetie, there's no such thing as ghosts!
Thesaurus: synonyms and related words
Non-existence and not being
- absence
- absent
- aren't
- defunct
- extinct
- non-existent
- nothingness
- presence
- such
- unfulfilled
- vanished
- void