Certainty vs Is that a fact
When to use each in English, with meaning, register, and examples.
Certainty
Top 1,000 (very common)B2noun
Is that a fact
Top 2,000 (common)
Most common: Certainty
| Certainty | Is that a fact | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈsɜːtnti/"]/🇺🇸 /["/ˈsɜːrtnti/"]/ | 🇬🇧 //ɪz ðæt ə fækt//🇺🇸 //ɪz ðæt ə fækt// |
| Meaning | Being sure about something. | A statement that is true or can be proven. |
| Example | There is no certainty that the president's removal would end the civil war. | Is that a fact, or just a rumor? |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | B2 | - |
| Part of speech | noun | |
| Collocations | absolute, complete, near, degree, with certainty, a lack of certainty, the one certainty, the only certainty, absolute, complete, near, degree, with certainty, a lack of certainty, the one certainty, the only certainty | state a fact, confirm a fact, discover a fact, accept a fact, challenge a fact |
| Antonyms | doubt, uncertainty | - |
| Common mistakes | Confused with 'certainty' vs 'certainly', Using 'certainty' with a verb instead of as a noun, Believing it can be used in place of 'sure' in informal contexts | Used in questions without evidence, confusing facts with opinions., Using it in informal settings where it's too serious., Confused with 'Is that true?', which may imply disbelief. |
| Usage notes | Used in both written and spoken contexts. More formal than 'sure'. Appropriate in academic or serious discussions, but can also be used casually to emphasize confidence. | Used to confirm the truth of something. Appropriate in discussions or debates. Avoid in casual or sarcastic contexts. |
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Frequently asked questions: Certainty vs Is that a fact
What's the difference between Certainty and Is that a fact?
Certainty: Being sure about something. Is that a fact: A statement that is true or can be proven.
Which is more common: Certainty and Is that a fact?
Certainty is the most common in everyday English.
Can you show an example of each?
Certainty: There is no certainty that the president's removal would end the civil war. Is that a fact: Is that a fact, or just a rumor?
Can I use Certainty and Is that a fact interchangeably?
Not always. Certainty and Is that a fact are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.