in fact
In fact (adverb) means used to correct or contradict what has just been said or assumed, introducing what is actually true. Example: “He said he'd never met her; in fact they had worked together for years.”
How to use in fact
Learner’s notesIn plain EnglishUsed to say what is really true, often when it is different from what people thought.
Neutral; works in academic writing and casual speech alike.
In fact contradicts or intensifies; in effect means in practical terms, even if not officially. They are not the same.
Trace the full origin ↓Fill the gap
Can you complete this real example?
He said he'd never met her; _____ they had worked together for years.
Etymology
From fact (“deed, action”) (now obsolete, except in law). Perhaps ultimately a calque of French en fait.
Synonyms
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Frequently asked questions
What is the difference between in fact and actually?
They are largely interchangeable, but actually is more conversational and often softens a correction, while in fact is a little more formal and gives the correction more weight. In fact also works well for adding a stronger point, which actually does less naturally.
Do you put a comma after in fact?
Usually yes when it opens a sentence: In fact, nobody objected. When it sits mid-sentence it is often written without commas, as in it was in fact the cheapest option.
Can you start a sentence with in fact?
Yes. It is standard in both formal and informal writing, and it is one of the clearest ways to signal that a correction or an escalation is coming.
What is the meaning of in fact?
"in fact" (adverb) means used to correct or contradict what has just been said or assumed, introducing what is actually true.