Fool vs Imbecile
When to use each in English, with meaning, register, and examples.
Fool
Top 2,000 (common)B2noun
Imbecile
InformalTop 5,000 (fairly common)
Most formal: FoolMost common: Fool
| Fool | Imbecile | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/fuːl/"]/🇺🇸 /["/fuːl/"]/ | 🇬🇧 //ˈɪmbəsiːl//🇺🇸 //ˈɪmbəˌsiːl// |
| Meaning | a person who makes mistakes or is easily tricked | a very stupid person |
| Example | He felt like a fool after forgetting his best friend's birthday. | Don't be such an imbecile! |
| Register | Neutral | Informal |
| How common | Top 2,000 (common) | Top 5,000 (fairly common) |
| CEFR level | B2 | - |
| Part of speech | noun | |
| Collocations | big, great, silly, feel, feel like, look, like a fool, fool of a something, act the fool, play the fool, be no fool | call someone an imbecile, act like an imbecile, feel like an imbecile |
| Antonyms | genius, sensible, wise | genius, intellect, smart person |
| Common mistakes | Using 'fool' as a verb without an object, e.g., 'I fool.', Confusing 'fool' with 'fools' as plural without context., Overusing in formal conversations where 'deceived' may be more appropriate. | Overusing it in serious discussions., Confusing it with 'innocent' or 'ignorant'. |
| Usage notes | Used when someone is deceived or makes a silly decision. Avoid in serious contexts to not offend someone. | Used informally, often as an insult. May be considered offensive and is not suitable for formal contexts. |
See it in real clips
Frequently asked questions: Fool vs Imbecile
What's the difference between Fool and Imbecile?
Fool: a person who makes mistakes or is easily tricked Imbecile: a very stupid person
Which is more formal: Fool and Imbecile?
Fool is the most formal of these.
Which is more common: Fool and Imbecile?
Fool is the most common in everyday English.
Can you show an example of each?
Fool: He felt like a fool after forgetting his best friend's birthday. Imbecile: Don't be such an imbecile!
Can I use Fool and Imbecile interchangeably?
Not always. Fool and Imbecile 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.