Lean vs Skinny vs Thin

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

Lean

Top 1,000 (very common)B2verb

Skinny

Top 3,000 (common)

Thin

Top 1,000 (very common)A2adjective
 LeanSkinnyThin
Pronunciation🇬🇧 /["/liːn/","/liːnz/","/liːnd/","/lent/","/ˈliːnɪŋ/"]/🇺🇸 /["/liːn/","/liːnz/","/liːnd/","/lent/","/ˈliːnɪŋ/"]/🇬🇧 //ˈskɪni//🇺🇸 //ˈskɪni//🇬🇧 /["/θɪn/"]/🇺🇸 /["/θɪn/"]/
MeaningTo bend or tilt to one side.Very thin or slim.Not thick; having little width or depth.
ExampleShe decided to lean against the wall while waiting for her friends.He was so skinny that his clothes looked baggy on him.The ice on the pond is too thin to skate on.
RegisterNeutralNeutralNeutral
How commonTop 1,000 (very common)Top 3,000 (common)Top 1,000 (very common)
CEFR levelB2-A2
Part of speechverbadjective
Collocationsheavily, across, against, from, heavily, across, against, from, heavily, across, against, fromskinny jeans, skinny latte, skinny model, skinny frame, skinny girlbe, look, seem, extremely, fairly, very, be, seem, become, extremely, fairly, very, spread something (too) thin, stretch something (too) thin, thin on the ground
Antonymsstraighten, stand uprightfat, overweight, chubbythick, fat, bulky
Common mistakes'Leaning' confused with 'leaning on' a person instead of an object., Using 'lean' as a noun instead of a verb., Mixing up 'lean' with 'lend' in context.Confused with 'slim' which can have a positive connotation., Using it for objects rather than people, which may sound strange.Confused with 'slim' which has positive connotations for people., Omitting 'thin' when describing the texture of food (e.g., 'thin sauce' not just 'sauce')., Using 'thinnest' when describing comparative aspects incorrectly.
Usage notesUse 'lean' when describing physical positioning or support. Avoid using it in formal writing where more precise language is needed.Use 'skinny' to describe someone very thin. It can be informal and sometimes perceived as negative, so consider the context.Use 'thin' to describe something that is not wide or thick. It can refer to physical objects, like a thin book, or describe a person. In informal contexts, it can sometimes have negative connotations if used to describe a person's body.

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Skinny
Thin

Frequently asked questions: Lean vs Skinny vs Thin

What's the difference between Lean, Skinny, and Thin?

Lean: To bend or tilt to one side. Skinny: Very thin or slim. Thin: Not thick; having little width or depth.

Which is more advanced: Lean, Skinny, and Thin?

Lean is the highest level, at B2, on the CEFR scale.

Can you show an example of each?

Lean: She decided to lean against the wall while waiting for her friends. Skinny: He was so skinny that his clothes looked baggy on him. Thin: The ice on the pond is too thin to skate on.

Can I use Lean, Skinny, and Thin interchangeably?

Not always. Lean, Skinny, and Thin 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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