Synonyms for "dangerous"

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

What does "dangerous" mean?

The word dangerous is an adjective that means: able to hurt you if you're not careful.

Example: "Don't touch — it's dangerous."

Grade K–2Easy synonyms for dangerous

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

Grade 3–5Stronger words for dangerous

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

Grade 6–8Middle-school vocabulary for dangerous

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

Opposites of dangerous (antonyms)

Words that mean the opposite of dangerous:

See the full dangerous antonyms page →

FAQ — synonyms for dangerous

What is a good synonym for dangerous in a kid's writing?
For K-2 writers, try unsafe. For older students, "harmful" reads more naturally in school writing.
How many synonyms does dangerous have?
We list 10 grade-appropriate synonyms for dangerous across three reading levels. Adults' thesauruses include dozens more, but most aren't useful for K-8 vocabulary.
Is dangerous a noun, verb, or adjective?
In this entry, dangerous is used as an adjective.

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