Meanings
How to pronounce "for a fact":
AU
Without doubt.
Example: "I know this for a fact."
Used other than figuratively or idiomatically: see for, a, fact.
Example Sentences
1
I know for a fact that she is lying.
2
We can say for a fact that the sun rises in the east.
3
He stated for a fact that he saw the suspect at the crime scene.
4
I can confirm for a fact that the meeting is scheduled for tomorrow.
5
It is a fact, for a fact, that smoking is harmful to your health.
