Synonyms for "lonely"

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

What does "lonely" mean?

The word lonely is an adjective that means: feeling sad because you are by yourself.

Example: "The puppy looked lonely."

Grade K–2Easy synonyms for lonely

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

Grade 3–5Stronger words for lonely

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

Grade 6–8Middle-school vocabulary for lonely

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

Opposites of lonely (antonyms)

Words that mean the opposite of lonely:

See the full lonely antonyms page →

FAQ — synonyms for lonely

What is a good synonym for lonely in a kid's writing?
For K-2 writers, try alone. For older students, "isolated" reads more naturally in school writing.
How many synonyms does lonely have?
We list 13 grade-appropriate synonyms for lonely across three reading levels. Adults' thesauruses include dozens more, but most aren't useful for K-8 vocabulary.
Is lonely a noun, verb, or adjective?
In this entry, lonely is used as an adjective.

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