crazy
A2Pronunciation
UK
- /krˈeɪzi/
US
- /ˈkreɪzi/
Description
- Mentally unwell
- Wild
- Very unusual
- Foolish
- Very intense
"Crazy" isn't always about mental health! It's a word that's stretched and pulled in many directions. Sometimes it means mentally unwell—though using it this way can be hurtful, so be careful. More often, "crazy" describes something very unexpected, exciting, or just plain chaotic. Think of a crazy rollercoaster ride, a crazy-busy day at work, or a crazy idea that might actually work!
It can also mean foolish or not sensible—like saying someone is "crazy to quit their job without another one lined up." The context really matters. A friend might say, "You won't believe the crazy thing that happened to me today!" meaning something unbelievable and funny. And it can show strong feelings: "I'm crazy about this song" (I like it a lot), or "That noise is driving me crazy" (it's making me very annoyed). Be mindful of how you use it, especially when talking about a person's mental state.
The word "crazy" has a complex history. Originally, it could mean "broken" or "fractured," tied to the idea of something being cracked or unsound. Over time, it became associated with mental illness—a usage many people find hurtful today, so it's best to be careful with it.
However, in modern English, "crazy" has expanded far beyond this original meaning. It is often used as an informal intensifier, describing something that feels extremely unusual, exciting, intense, or out of control. You might say, "The concert was crazy!" to express how energetic and overwhelming it was. Or you could describe a plan as "a little crazy," meaning risky but possibly worth it.
"Crazy" can also denote foolishness or irrationality: "He's crazy if he thinks that will work." It's often used informally, in slang, to emphasize something unbelievable or shocking—like "That's crazy!" when hearing surprising news.
There are also very common everyday patterns. *Crazy about + noun means you like or love something a lot: "I'm crazy about her cooking." Drive someone crazy means to annoy someone a lot: "That dripping faucet is driving me crazy." Go crazy can mean to get very excited ("The crowd went crazy") or to do something a bit out of character ("I went crazy and bought three desserts"). And like crazy* is a casual way to mean "a lot" or "very hard/fast": "He was working like crazy," or "It was raining like crazy."
It is important to be aware of the potential for offense when using "crazy," especially when referring to people. While it can be a lighthearted word for situations or ideas, using it to label someone's mental health can be insensitive and can reinforce unfair stereotypes. Depending on what you mean, alternatives like "unusual," "unexpected," "wild," "overwhelming," "risky," or "annoying" can be clearer and kinder.
So, while "crazy" might seem simple on the surface, its meaning shifts with the situation—from a potentially hurtful label to an enthusiastic exclamation of surprise or excitement.
Examples
- 1
Unreasonable idea
That sounds like a crazy idea.
- 2
Traffic conditions
The traffic was crazy this morning.
- 3
Excitement
The kids went crazy when they saw the snow.
Phrase
go crazy
become very excited or out of control
- 4
Annoyance
This buzzing noise is driving me crazy.
Phrase
drive someone crazy
make someone very annoyed
- 5
Strong liking
She's crazy about Korean dramas.
Pattern
crazy about + person/thing
like that person or thing very much
- 6
Intense effort
We've been working like crazy to get everything ready.
Phrase
like crazy
very hard or a lot
- 7
Informal emphasis
Hotel prices are crazy high this weekend.
- 8
Strange behavior
He looked at me like I was crazy.
Forms and spellings
3 forms open this card.
Main spelling
- crazyadjectivenoun
Forms
- craziestsuperlativeadjectivenoun
- craziercomparativeadjectivenoun