5
firm(noun, adjective, calm, good, clear)
5
foolproof(adjective, infallible)
5
full
5
honorable(adjective, good, strong, sound, right)
5
judicious(adjective, careful, thoughtful, cautious, prudent)
5
kind(adjective, sound, simple, gentle, innocent)
5
mindful(adjective, cautious, suspicious, wary, circumspect)
5
politic(adjective, careful, thoughtful, cautious, shrewd)
5
prophylactic
5
respectable(adjective, good, strong, sound, right)
5
right(adjective, good, sound, complete, solid)
5
steady(adjective, calm, good, strong, secure)
5
tried and true(expression, adjective, idiom, careful, cautious)
5
unadventurous(adjective, careful, cautious, prudent, conservative)
5
unbroken(adjective, perfect, mature, unspoiled, intact)
5
unobjectionable(adjective, dull, simple, gentle, innocent)
5
unpolluted(adjective, clean, pure, dangerous, innocuous)
4
anodyne(adjective, innocent, inoffensive, innocuous, benign)
4
buffet(noun, receptacle, cupboard)
4
cash register(noun, expression, idiom, box, treasury)
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APASmart Define. (2016). safe thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/safe/thesaurus/synonyms
ChicagoSmart Define. 2016. "safe thesaurus" https://smartdefine.org/safe/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, safe thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/safe/thesaurus/synonyms>.
MLASmart Define. "safe thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/safe/thesaurus/synonyms>