Fool vs The dumbest single person alive

When to use each in English, with meaning, register, and examples.

Fool

Top 2,000 (common)B2noun

The dumbest single person alive

InformalBeyond 10,000 (less common)
Most formal: FoolMost common: Fool
 FoolThe dumbest single person alive
Pronunciation🇬🇧 /["/fuːl/"]/🇺🇸 /["/fuːl/"]/🇬🇧 //ðə ˈdʌmbɪst ˈsɪŋɡl ˈpɜːsən əˈlaɪv//🇺🇸 //ðə ˈdʌmbɪst ˈsɪŋɡəl ˈpɜrsən əˈlaɪv//
Meaninga person who makes mistakes or is easily trickedThe person who is the least intelligent and is not in a relationship.
ExampleHe felt like a fool after forgetting his best friend's birthday.He thinks he's the dumbest single person alive for not understanding the joke.
RegisterNeutralInformal
How commonTop 2,000 (common)Beyond 10,000 (less common)
CEFR levelB2-
Part of speechnoun
Collocationsbig, great, silly, feel, feel like, look, like a fool, fool of a something, act the fool, play the fool, be no fooldumbest person, single life, feeling foolish, jokingly call, poor decisions
Antonymsgenius, sensible, wise-
Common mistakesUsing '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.Using it as a compliment instead of an insult., Confusing it with a more formal phrase., Overusing it in a serious context.
Usage notesUsed when someone is deceived or makes a silly decision. Avoid in serious contexts to not offend someone.This phrase is very slangy and can be disrespectful. It's not appropriate in formal situations or when discussing someone's intelligence.

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Fool
The dumbest single person alive

Frequently asked questions: Fool vs The dumbest single person alive

What's the difference between Fool and The dumbest single person alive?

Fool: a person who makes mistakes or is easily tricked The dumbest single person alive: The person who is the least intelligent and is not in a relationship.

Which is more formal: Fool and The dumbest single person alive?

Fool is the most formal of these.

Which is more common: Fool and The dumbest single person alive?

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. The dumbest single person alive: He thinks he's the dumbest single person alive for not understanding the joke.

Can I use Fool and The dumbest single person alive interchangeably?

Not always. Fool and The dumbest single person alive 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.

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