Immediately vs Suddenly
When to use each in English, with meaning, register, and examples.
Immediately
Top 1,000 (very common)A2adverb
Suddenly
Top 1,000 (very common)A2adverb
| Immediately | Suddenly | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ɪˈmiːdiətli/"]/🇺🇸 /["/ɪˈmiːdiətli/"]/ | 🇬🇧 /["/ˈsʌdənli/"]/🇺🇸 /["/ˈsʌdənli/"]/ |
| Meaning | right away, without waiting | Happening quickly and without warning |
| Example | He answered the question immediately after it was asked. | I **suddenly realized** what I had to do. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | A2 | A2 |
| Part of speech | adverb | adverb |
| Collocations | respond immediately, act immediately, notify immediately | suddenly appear, suddenly realize, suddenly stop, suddenly change |
| Antonyms | eventually, later | gradually, slowly |
| Common mistakes | Using 'immediate' instead of 'immediately'., Confusing with 'eventually', which means later., Incorrectly placing 'immediately' at the end of a sentence. | Using 'suddenly' with the wrong tense (e.g., 'sudden' for past actions)., Confusing 'suddenly' with 'sudden', forgetting it needs to modify verbs., Using 'suddenly' too often, making writing sound repetitive. |
| Usage notes | Use 'immediately' to emphasize urgency or promptness. It's appropriate in both spoken and written English, but avoid in very casual contexts. | Use 'suddenly' to describe an unexpected change or event. Commonly used in storytelling or descriptions of surprising moments. Avoid in very formal contexts. |
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Frequently asked questions: Immediately vs Suddenly
What's the difference between Immediately and Suddenly?
Immediately: right away, without waiting Suddenly: Happening quickly and without warning
Are Immediately and Suddenly the same CEFR level?
Immediately: A2, Suddenly: A2 on the CEFR scale.
What part of speech are Immediately and Suddenly?
Immediately: adverb, Suddenly: adverb.
Can you show an example of each?
Immediately: He answered the question immediately after it was asked. Suddenly: I **suddenly realized** what I had to do.
Can I use Immediately and Suddenly interchangeably?
Not always. Immediately and Suddenly 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.