Limit vs That's as high as it goes

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

Limit

Top 1,000 (very common)B1noun

That's as high as it goes

Top 5,000 (fairly common)
Most common: Limit
 LimitThat's as high as it goes
Pronunciation🇬🇧 /["/ˈlɪmɪt/"]/🇺🇸 /["/ˈlɪmɪt/"]/🇬🇧 //ðæts æz haɪ əz ɪt ɡoʊz//🇺🇸 //ðæts æz haɪ əz ɪt ɡoʊz//
MeaningThe most you can have or do.It reaches its highest point.
ExampleThere is a limit to how much time we can spend on this project.The water level in the tank is full; that's as high as it goes.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 5,000 (fairly common)
CEFR levelB1-
Part of speechnoun
Collocationsouter, northern, southern, have, approach, near, above a/​the limit, at a/​the limit, below a/​the limit, outer, northern, southern, have, approach, near, above a/​the limit, at a/​the limit, below a/​the limit, outer, northern, southern, have, approach, near, above a/​the limit, at a/​the limit, below a/​the limitas high as it gets, reach as high as, goes up to, not go higher, maximum level
Antonymsincrease, expand, extend-
Common mistakesConfusing 'limit' with 'limitless', which means without limits., Using 'limit' as a verb without an object, e.g., saying 'I limit' instead of 'I limit my spending'., Misusing the plural form 'limits' when referring to an abstract concept.Confusing with 'That's as low as it goes' when referring to a minimum., Using 'go' in past tense instead of present when talking about current limits., Saying 'that's as high that it goes', which is incorrect.
Usage notesUse 'limit' in discussions about restrictions or boundaries, like time, resources, or capabilities. It's appropriate in both casual and formal contexts, but be cautious using it in overly casual settings when discussing sensitive topics.Use this phrase when referring to a limit or maximum height. It is casual and can be used in conversations or informal writing.

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Limit
That's as high as it goes

Frequently asked questions: Limit vs That's as high as it goes

What's the difference between Limit and That's as high as it goes?

Limit: The most you can have or do. That's as high as it goes: It reaches its highest point.

Which is more common: Limit and That's as high as it goes?

Limit is the most common in everyday English.

Can you show an example of each?

Limit: There is a limit to how much time we can spend on this project. That's as high as it goes: The water level in the tank is full; that's as high as it goes.

Can I use Limit and That's as high as it goes interchangeably?

Not always. Limit and That's as high as it goes 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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