Synonyms for "uncle"

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

What does "uncle" mean?

The word uncle is a noun that means: the brother of your mom or dad.

Example: "My uncle is funny."

Grade K–2Easy synonyms for uncle

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

Grade 3–5Stronger words for uncle

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

Grade 6–8Middle-school vocabulary for uncle

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

Opposites of uncle (antonyms)

Words that mean the opposite of uncle:

See the full uncle antonyms page →

FAQ — synonyms for uncle

What is a good synonym for uncle in a kid's writing?
For K-2 writers, try unc. For older students, "relative" reads more naturally in school writing.
How many synonyms does uncle have?
We list 5 grade-appropriate synonyms for uncle across three reading levels. Adults' thesauruses include dozens more, but most aren't useful for K-8 vocabulary.
Is uncle a noun, verb, or adjective?
In this entry, uncle is used as a noun.

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