know for sure

Frequency: 8.018.3 per million words

to know something without any doubt (more informal)

knowADVERB + KNOW

Categories:

for sure

Examples (10)

  • I don't know for sure if he's coming to the party.
  • Can you know for sure what will happen tomorrow?
  • She wants to know for sure before making a decision.
  • We won't know for sure until the results are announced.
  • He said he didn't know for sure, but he had a strong feeling.
  • To know for sure, we need more evidence.
  • Nobody can know for sure how the market will react.
  • They couldn't know for sure if their plan would succeed.
  • Do you know for sure that the meeting is at 10 AM?
  • Let me check, so I can know for sure.