Learn how to use the comparative “crazier” and superlative “craziest” with example sentences and differences.

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Notes from a Native English Speaker

Comparative adjectives help us to describe how good or bad something is when compared to something else. For example, something is taller than something else. Superlative adjectives help us to describe something as having the most or least of a particular characteristic within a group. This makes it easier and more accurate to talk about and compare things.

What is the comparative form of “crazy”?

The comparative form of “crazy” is “crazier”.

Example

His behavior is crazier than usual.

Example

She is crazier about cats than anyone I know.

What is the superlative form of “crazy”?

The superlative form of “crazy” is “craziest”.

Example

Among all the contestants, he is the craziest.

Example

The roller coaster ride was the craziest experience of my life.

Why is this expression not used with most, more?

'Most' and 'more' are generally not used with crazy, crazier, and craziest. They’re considered regular comparatives and superlatives. The forms 'more crazy' and 'most crazy' are not used because they sound awkward. Instead, crazier and craziest are the correct and preferred forms to use.

Does this expression have an irregular comparative/superlative form?

Crazy does not have an irregular comparative or superlative form. It follows the standard pattern for forming comparatives and superlatives. So, to summarize: Comparative: CrazyCrazier Superlative: CrazyCraziest

Expressions with similar meanings to “crazier”

Used to describe someone who is more mentally unstable or irrational

Example

The madder he became, the more dangerous he seemed.

A slightly formal way of expressing increased level of craziness

Example

The asylum housed patients with more insane delusions than anyone had ever seen.

Used to describe someone who is more unpredictable or unconventional

Example

Her ideas were wilder than anyone else's in the group.

Expressions with similar meanings to “craziest”

Similar to craziest, this emphasizes extreme mental instability or irrationality

Example

The maddest person in the room was the one talking to imaginary friends.

A slightly formal way of expressing the highest level of craziness

Example

The most insane conspiracy theories can be found on the internet.

wildest

Used to describe the most unpredictable or unconventional behavior

Example

The party last night was the wildest event I've ever attended.

Using than with comparative “crazier”

When using the comparative form crazier to compare two things, you would use than to connect the two parts of the comparison: Example: "His behavior is crazier than usual." Here, than is used to show that the level of craziness in 'his' behavior is greater than the usual level of craziness.

How can I use this expression in context?

“crazier” and “craziest” can be used in a variety of situations to compare speed.
  • 1Behavior

    Her actions were crazier than anyone expected.

    Her actions were crazier than anyone expected.

  • 2Passion

    He is crazier about basketball than any other sport.

    He is crazier about basketball than any other sport.

  • 3Ideas

    The artist's paintings became crazier and more abstract over time.

    The artist's paintings became crazier and more abstract over time.

  • 4Events

    The party last night was the craziest night of my life.

    The party last night was the craziest night of my life.

  • 5Situations

    The situation at work was getting crazier by the minute.

    The situation at work was getting crazier by the minute.

Related idioms and phrases

Drive someone crazy

To cause someone to become extremely annoyed or frustrated.

Example

Her constant complaining was starting to drive me crazy.

Mad as a hatter

To be completely insane or crazy.

Example

After spending years alone in the wilderness, he had become mad as a hatter.

Out of your mind

To be crazy or mentally unstable.

Example

I can't believe she jumped off the roof! She must be out of her mind.

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