Synonyms for "weak"

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

What does "weak" mean?

The word weak is an adjective that means: not strong.

Example: "After being sick, I felt weak."

Grade K–2Easy synonyms for weak

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

Grade 3–5Stronger words for weak

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

Grade 6–8Middle-school vocabulary for weak

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

Opposites of weak (antonyms)

Words that mean the opposite of weak:

See the full weak antonyms page →

FAQ — synonyms for weak

What is a good synonym for weak in a kid's writing?
For K-2 writers, try wobbly. For older students, "fragile" reads more naturally in school writing.
How many synonyms does weak have?
We list 14 grade-appropriate synonyms for weak across three reading levels. Adults' thesauruses include dozens more, but most aren't useful for K-8 vocabulary.
Is weak a noun, verb, or adjective?
In this entry, weak is used as an adjective.

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