Cool MateCertain vs Positive
When to use each in English, with meaning, register, and examples.
Certain
Top 1,000 (very common)A2adjective
Positive
Top 1,000 (very common)A1adjective
| Certain | Positive | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈsɜːtn/"]/🇺🇸 /["/ˈsɜːrtn/"]/ | 🇬🇧 /["/ˈpɒzətɪv/"]/🇺🇸 /["/ˈpɑːzətɪv/"]/ |
| Meaning | sure, without any doubt | Having a good attitude or a good feeling about something. |
| Example | I am certain that I locked the door before leaving. | She has a positive attitude that inspires everyone around her. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | A2 | A1 |
| Part of speech | adjective | adjective |
| Collocations | be, feel, look, very, absolutely, quite, about, of, can’t say for certain, not know for certain, be, feel, look, very, absolutely, quite, about, of, can’t say for certain, not know for certain | appear, be, feel, extremely, fairly, very, about, be, prove, test, strongly, weakly, for, be, seem, sound, absolutely, quite, fairly, about, of |
| Antonyms | uncertain, doubtful, indefinite | negative, pessimistic |
| Common mistakes | Confused with 'sure' in different contexts., Using 'certain' without clarifying what is certain about., Incorrectly using 'certain' to describe someone as a person (should be used for objects or ideas). | Confused with 'positive' vs 'negative'., Using 'positively' in place of 'positive' incorrectly., Mispronouncing 'positive' without the correct emphasis. |
| Usage notes | Use 'certain' when you want to express confidence in something. It's appropriate in both spoken and written English, but avoid it in very formal contexts where 'specific' or 'determined' may be better. | Use 'positive' to describe feelings, thoughts, or results. It's appropriate in most contexts, but avoid in very technical discussions where precision is key. |
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Frequently asked questions: Certain vs Positive
What's the difference between Certain and Positive?
Certain: sure, without any doubt Positive: Having a good attitude or a good feeling about something.
Which is more advanced: Certain and Positive?
Certain is the highest level, at A2, on the CEFR scale.
Are Certain and Positive the same CEFR level?
Certain: A2, Positive: A1 on the CEFR scale.
What part of speech are Certain and Positive?
Certain: adjective, Positive: adjective.
Can you show an example of each?
Certain: I am certain that I locked the door before leaving. Positive: She has a positive attitude that inspires everyone around her.
Can I use Certain and Positive interchangeably?
Not always. Certain and Positive 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.