Skinny vs You're flat as a washboard

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

Skinny

Top 3,000 (common)

You're flat as a washboard

InformalBeyond 10,000 (less common)
Most formal: SkinnyMost common: Skinny
 SkinnyYou're flat as a washboard
Pronunciation🇬🇧 //ˈskɪni//🇺🇸 //ˈskɪni//🇬🇧 //jʊəːr flæt əz ə ˈwɒʃbɔːd//🇺🇸 //jʊr flæt əz ə ˈwɔːʃbɔrd//
MeaningVery thin or slim.You have no curves or are very thin.
ExampleHe was so skinny that his clothes looked baggy on him.She joked that she's as flat as a washboard.
RegisterNeutralInformal
How commonTop 3,000 (common)Beyond 10,000 (less common)
Collocationsskinny jeans, skinny latte, skinny model, skinny frame, skinny girluse humor, make a joke, body shape
Antonymsfat, overweight, chubbycurvy, full-figured, voluptuous
Common mistakesConfused with 'slim' which can have a positive connotation., Using it for objects rather than people, which may sound strange.Used to describe something other than body shape., Confused with 'flat as a pancake'., Assumed to only apply to women.
Usage notesUse 'skinny' to describe someone very thin. It can be informal and sometimes perceived as negative, so consider the context.Often used humorously or teasingly, mostly among friends. May be considered rude if used in the wrong context.

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Skinny
You're flat as a washboard

Frequently asked questions: Skinny vs You're flat as a washboard

What's the difference between Skinny and You're flat as a washboard?

Skinny: Very thin or slim. You're flat as a washboard: You have no curves or are very thin.

Which is more formal: Skinny and You're flat as a washboard?

Skinny is the most formal of these.

Which is more common: Skinny and You're flat as a washboard?

Skinny is the most common in everyday English.

Can you show an example of each?

Skinny: He was so skinny that his clothes looked baggy on him. You're flat as a washboard: She joked that she's as flat as a washboard.

Can I use Skinny and You're flat as a washboard interchangeably?

Not always. Skinny and You're flat as a washboard 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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