Synonyms|566Antonyms|129|Broader|7Narrower|4Related|1.3k
17
safe(adjective, strong)
11
harmless
8
steady
6
certain(adjective, strong, safe)
6
sure(adjective, strong, safe)
5
good
5
strong(adjective, safe)
5
assured
5
secure(adjective, strong, safe)
4
a little dangerous
4
advantageous
4
dependable
4
firm
4
guarded(adjective, strong, safe)
4
infallible
4
innocent
4
innocuous
4
predictable(adjective, strong, safe)
4
unquestionable
3
immutable
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APASmart Define. (2015). hazardous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/hazardous/thesaurus/antonyms
ChicagoSmart Define. 2015. "hazardous thesaurus" https://smartdefine.org/hazardous/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, hazardous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hazardous/thesaurus/antonyms>.
MLASmart Define. "hazardous thesaurus" 19 August 2015. Web. 24 September 2026. <https://smartdefine.org/hazardous/thesaurus/antonyms>