Find Antonyms

hazardous Antonyms

Opposite of hazardous

Because the opposite of hazardous shifts with each meaning, the 10 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Involving or exposing one to a high degree of danger, risk, or potential harm, especially to human health, physical safety, or the environment.

Usage Example

"The laboratory staff wore protective gear while disposing of the safe chemical waste."

Strongest
safe
harmless
risk-free
Strong
benign
secure
innocuous

• adjective (Context 2)

Dependent on chance or uncertain outcomes; involving significant financial or strategic risk.

Usage Example

"Launching a retail business without sufficient market research proved to be a certain venture."

Strongest
certain
sure
Strong
predictable
reliable

Similar words to hazardous

Words similar to hazardous shift depending on context. Common synonyms include:

dangerous
risky
unsafe
perilous
uncertain
speculative
chancy
treacherous
See all synonyms of hazardous

• Nearby Words

haymaker
haywire
hazard
hazardous
hazardously
hazardousness
haze

Cite this Entry

Wordmom. (2026). Antonyms for Hazardous. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/hazardous
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