Synonyms for "hollow"

8 kid-friendly synonyms for hollow, sorted by grade level (K-2, 3-5, 6-8).

What does "hollow" mean?

The word hollow is an adjective that means: empty on the inside.

Example: "The log was hollow."

Grade K–2Easy synonyms for hollow

Younger kids can use these in place of "hollow":

Grade 3–5Stronger words for hollow

For elementary writers ready to add precision and variety to their vocabulary:

Grade 6–8Middle-school vocabulary for hollow

Tier 2 academic alternatives — useful for essays, persuasive writing, and standardized tests:

Opposites of hollow (antonyms)

Words that mean the opposite of hollow:

See the full hollow antonyms page →

FAQ — synonyms for hollow

What is a good synonym for hollow in a kid's writing?
For K-2 writers, try empty. For older students, "empty" reads more naturally in school writing.
How many synonyms does hollow have?
We list 8 grade-appropriate synonyms for hollow across three reading levels. Adults' thesauruses include dozens more, but most aren't useful for K-8 vocabulary.
Is hollow a noun, verb, or adjective?
In this entry, hollow is used as an adjective.

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