Cool MateBasically vs Fundamentally
When to use each in English, with meaning, register, and examples.
Basically
Top 1,000 (very common)B2adverb
Fundamentally
FormalTop 3,000 (common)B2adverb
Most formal: FundamentallyMost common: Basically
| Basically | Fundamentally | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈbeɪsɪkli/"]/🇺🇸 /["/ˈbeɪsɪkli/"]/ | 🇬🇧 /["/ˌfʌndəˈmentəli/"]/🇺🇸 /["/ˌfʌndəˈmentəli/"]/ |
| Meaning | In simple terms | In a basic or essential way. |
| Example | I think we are **basically saying** the same thing. | The two approaches are fundamentally different. |
| Register | Neutral | Formal |
| How common | Top 1,000 (very common) | Top 3,000 (common) |
| CEFR level | B2 | B2 |
| Part of speech | adverb | adverb |
| Collocations | basically true, basically the same, basically speaking, basically means, it's basically | fundamentally different, fundamentally important, fundamentally flawed, fundamentally altered, fundamentally challenged |
| Antonyms | essentially, fundamentally | superficially, secondarily |
| Common mistakes | Using 'basically' at the beginning of a sentence without clear context., Confusing with 'practically' in meaning., Using too frequently in formal writing. | Using 'fundamentally' when you mean 'significantly'., Confusing 'fundamentally' with 'essentially'., Incorrectly placing 'fundamentally' before the subject instead of the verb. |
| Usage notes | Use 'basically' when you want to explain something in a simpler way. It is appropriate in both spoken and written English but can sound informal in very formal contexts. | Use 'fundamentally' in formal contexts to emphasize the basic nature of something. Avoid in casual conversations. |
Frequently asked questions: Basically vs Fundamentally
What's the difference between Basically and Fundamentally?
Basically: In simple terms Fundamentally: In a basic or essential way.
Which is more formal: Basically and Fundamentally?
Fundamentally is the most formal of these.
Which is more common: Basically and Fundamentally?
Basically is the most common in everyday English.
Are Basically and Fundamentally the same CEFR level?
Basically: B2, Fundamentally: B2 on the CEFR scale.
Can I use Basically and Fundamentally interchangeably?
Not always. Basically and Fundamentally 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.