know for certain

Frequency: 7.815.6 per million words

to know something without any doubt

knowADVERB + KNOW

Categories:

for certain

Examples (10)

  • I don't know for certain, but I think she lives in the next town.
  • Can you know for certain what the future holds?
  • We can't know for certain without more evidence.
  • He claimed to know for certain the identity of the culprit.
  • She wished she could know for certain if he was telling the truth.
  • Nobody could know for certain how the plan would unfold.
  • It's impossible to know for certain every detail of the universe.
  • Even the experts couldn't know for certain the long-term effects.
  • Do you know for certain when the meeting is scheduled?
  • They need to know for certain before making such a big investment.