Definition of for a certainty in English:

for a certainty

Beyond the possibility of doubt: he knew they would come again for a certainty
More example sentences
  • It was possibly two years off; but no one could know this, not for a certainty, and not even for a probability.
  • On numerous occasions the diarist vented his frustration with passages like, ‘Without [Churchill] England was lost for a certainty, with him England has been on the verge of disaster time and time again.’
  • If you are absolutely convinced of Sarah's truthfulness - and you have no reason not to be - you do not know, for a certainty, that John committed the assault.
See parent entry: certainty

Definition of for a certainty in: