not that I know of

/nɑt ðæt aɪ noʊ ʌv/
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I have no knowledge of it.

Examples

  • Are there any restrictions on the new policy? not that I know of, but we should double-check.
  • Can you think of any other reasons for the delay? not that I know of, so we must look elsewhere.
  • Do you see any similar cases in the archives? not that I know of.
  • Is there a hidden camera in this room? not that I know of, but we stay cautious.
  • Has anyone ever solved this puzzle before? not that I know of.

Similar words

I don't think so
as far as I'm aware
to my knowledge
to the best of my knowledge

Meanings

No known instance

everyday
neutral
Said to indicate that, to the speaker's knowledge, something does not exist or is not true.

Examples

  • Are there any side effects of this drug? not that I know of.
  • Has anyone ever solved this puzzle before? not that I know of.
  • Do you see any similar cases in the archives? not that I know of.
  • Is there a hidden camera in this room? not that I know of, but we stay cautious.
  • Can you think of any other reasons for the delay? not that I know of, so we must look elsewhere.
  • Did the manager mention any changes to the schedule? not that I know of, according to the memo.
  • Are there any restrictions on the new policy? not that I know of, but we should double-check.

Similar words

Etymology

FAQ

What does not that I know of mean?

It means the speaker has no knowledge of it.

How is not that I know of used in everyday conversation?

It is used in everyday, neutral statements to say something does not exist or is not true to the speaker’s knowledge.

Is not that I know of formal or informal?

It is a neutral register, neither formal nor informal.

In what domain does not that I know of belong?

It belongs to the everyday domain.

What are some synonyms for not that I know of?

Synonyms include as far as I'm aware, to my knowledge, to the best of my knowledge, and I don't think so.

Can not that I know of be used to deny a claim?

Yes, it indicates that, to the speaker’s knowledge, the claim does not exist or is not true.

Does not that I know of appear in questions or statements?

It is typically used in statements.

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