Crazy vs He thinks he's mad now

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

Crazy

InformalTop 1,000 (very common)A2adjective

He thinks he's mad now

InformalBeyond 10,000 (less common)
Most common: Crazy
 CrazyHe thinks he's mad now
Pronunciation🇬🇧 /["/ˈkreɪzi/"]/🇺🇸 /["/ˈkreɪzi/"]/🇬🇧 //hiː θɪŋks hiːz mæd naʊ//🇺🇸 //hi θɪŋks hiz mæd naʊ//
MeaningVery strange or unusual; not normal.He believes he is crazy right now.
ExampleShe has a crazy idea about how to solve the problem.In stressful situations, he thinks he's mad now.
RegisterInformalInformal
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelA2-
Part of speechadjective
Collocationsbe, seem, sound, really, absolutely, completely, with, be, go, drive somebody, absolutely, completely, at, be, seem, sound, really, absolutely, completely, withthink he's mad, feels mad now, acting mad
Antonymscalm, sane, normalsane, reasonable
Common mistakes'Crazy' should not be used to describe mental health issues as it's considered insensitive., Learners often confuse 'crazy' with 'wild' when they mean 'uncontrolled'., Sometimes used as a noun ('the crazy'), which is incorrect.Confused with 'mad' meaning angry vs. mentally unstable., Using 'mad' in a formal setting where 'crazy' is more appropriate.
Usage notesUsed in informal contexts to describe something that is surprising, wild, or insane. Avoid in formal writings or professional settings.This phrase is often used humorously to describe someone feeling overwhelmed or confused. It's informal and should be avoided in serious contexts.

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Crazy
He thinks he's mad now

Frequently asked questions: Crazy vs He thinks he's mad now

What's the difference between Crazy and He thinks he's mad now?

Crazy: Very strange or unusual; not normal. He thinks he's mad now: He believes he is crazy right now.

Which is more common: Crazy and He thinks he's mad now?

Crazy is the most common in everyday English.

Can you show an example of each?

Crazy: She has a crazy idea about how to solve the problem. He thinks he's mad now: In stressful situations, he thinks he's mad now.

Can I use Crazy and He thinks he's mad now interchangeably?

Not always. Crazy and He thinks he's mad now 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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