Hollow vs Vacant

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

Hollow

Top 2,000 (common)B2adjective

Vacant

Top 3,000 (common)C1adjective
Most common: Hollow
 HollowVacant
Pronunciation🇬🇧 /["/ˈhɒləʊ/"]/🇺🇸 /["/ˈhɑːləʊ/"]/🇬🇧 //ˈveɪ.kənt//🇺🇸 //ˈveɪ.kənt//
MeaningHaving a space inside; not solid.Empty or not occupied.
ExampleThe tree was hollow, providing a perfect shelter for small animals.The apartment has been vacant for several months.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 3,000 (common)
CEFR levelB2C1
Part of speechadjectiveadjective
Collocationshollow laughter, hollow point, hollow eyes, hollow soundvacant seat, vacant position, vacant lot, vacant room
Antonymssolid, fulloccupied, filled, crowded
Common mistakesConfused with 'hallowed' (holy)., Using as a verb instead of an adjective., Mixing up 'hollow' with 'empty' without context.Confused with 'vacation' as in time off., Used incorrectly to describe busy places., Said as 'vacant of' instead of simply 'vacant'.
Usage notesUsed when describing objects that are empty inside, such as a hollow tree or hollow shell. Avoid using in overly formal contexts.Use 'vacant' to describe spaces, positions, or expressions that lack activity or occupation. It's suitable for both written and spoken contexts, but avoid using it in informal settings.

See it in real clips

Hollow
Vacant

Frequently asked questions: Hollow vs Vacant

What's the difference between Hollow and Vacant?

Hollow: Having a space inside; not solid. Vacant: Empty or not occupied.

Which is more common: Hollow and Vacant?

Hollow is the most common in everyday English.

Which is more advanced: Hollow and Vacant?

Vacant is the highest level, at C1, on the CEFR scale.

Are Hollow and Vacant the same CEFR level?

Hollow: B2, Vacant: C1 on the CEFR scale.

What part of speech are Hollow and Vacant?

Hollow: adjective, Vacant: adjective.

Can you show an example of each?

Hollow: The tree was hollow, providing a perfect shelter for small animals. Vacant: The apartment has been vacant for several months.

Can I use Hollow and Vacant interchangeably?

Not always. Hollow and Vacant 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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