Certainly vs Indeed it has
When to use each in English, with meaning, register, and examples.
Certainly
Top 1,000 (very common)A2adverb
Indeed it has
Top 2,000 (common)
Most common: Certainly
| Certainly | Indeed it has | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈsɜːtnli/"]/🇺🇸 /["/ˈsɜːrtnli/"]/ | 🇬🇧 //ɪnˈdiːd ɪt hæz//🇺🇸 //ɪnˈdid ɪt hæz// |
| Meaning | Definitely; for sure. | Used to express agreement or confirmation. |
| Example | Without treatment, she will **almost certainly** die. | The project was successful, and, indeed it has exceeded all expectations. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | A2 | - |
| Part of speech | adverb | |
| Collocations | certainly agree, certainly possible, certainly not, certainly true, certainly yes | indeed it has, indeed it does, indeed you are, indeed it will, indeed we find |
| Antonyms | uncertainly, doubtfully | - |
| Common mistakes | 'Certainly' is often incorrectly used in place of 'certain' in adjectives., Learners might confuse 'certainly' with 'definitely' without noticing the subtle nuance., Some learners use 'certainly' in inappropriate contexts, such as casual greetings. | Misuses in place of a simple 'yes'., Confused with 'indeed' used alone., Omitted when responding to a rhetorical question. |
| Usage notes | Use 'certainly' when you want to emphasize affirmation or agreement. It is more formal than 'sure' and works well in professional settings, but might feel too strong in casual conversations. | Often used in conversation to reinforce a statement made by someone else. It's appropriate in both formal and informal contexts. |
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Frequently asked questions: Certainly vs Indeed it has
What's the difference between Certainly and Indeed it has?
Certainly: Definitely; for sure. Indeed it has: Used to express agreement or confirmation.
Which is more common: Certainly and Indeed it has?
Certainly is the most common in everyday English.
Can you show an example of each?
Certainly: Without treatment, she will **almost certainly** die. Indeed it has: The project was successful, and, indeed it has exceeded all expectations.
Can I use Certainly and Indeed it has interchangeably?
Not always. Certainly and Indeed it has 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.