| nice(adjective, good, sound, right, pure) | |
| on guard(expression, adjective, cautious, suspicious, watchful) | |
| plenary | |
| profitable(adjective, good feeling) | |
| proper | |
| receptacle(noun, cover, case, store, grip) | |
| risk-free(adjective, unpolluted, dangerous, innocuous, benign) | |
| safely | |
| secured(adjective, strong, secure, steady, stable) | |
| snug(adjective, secure, soft, pleasant, harm) | |
| storehouse(noun, reservoir, store, stock, container) | |
| sustained | |
| thorough(adjective, complete, solid, perfect, vigorous) | |
| total(complete, solid, vigorous, sturdy) | |
| trusty(adjective, good, strong, solid, steady) | |
| unthreatened(adjective, secure, harm, snug, intact) | |
| untouched(adjective, perfect, pure, mature, unspoiled) | |
| watchful(adjective, restrained, careful, cautious, prudent) | |
| supported | |
| a little dangerous |
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| APA | Smart Define. (2016). safe thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/safe/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "safe thesaurus" https://smartdefine.org/safe/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, safe thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/safe/thesaurus/synonyms>. |
| MLA | Smart Define. "safe thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/safe/thesaurus/synonyms> |