for a fact
The idiom "for a fact" is used to express absolute certainty about something.
🇺🇸 US Voice:
🇬🇧 UK Voice:
Definition
B2General
(informal)With complete certainty and no doubt.
Example
- I know for a fact that she was at the meeting.
- He stated for a fact that the project was completed on time.
B2General
(informal)Based on definite information or evidence.
Example
- She has proof for a fact that the document is authentic.
- They knew for a fact that the company was going to expand.
Similar
Terms that have similar or relatively close meanings to "for a fact":
matter of factin factno two ways about itfor the recordmaterial factfor realwithout failde factowithout question