- Definitions|1
- Thesaurus|497
- Abbreviations|0
36 entries under secure topic. ×
| impregnable(adjective, strong, resolute, safe) | |
| inviolable(adjective, safe, snug, intact) | |
| strong(adjective, sound, resolute, safe) | |
| invulnerable(adjective, strong, sound, resolute) | |
| safe(adjective, clear, sound, harm) | |
| protected(adjective, safe, snug, intact) | |
| buttoned up(expression, adjective, safe, snug) | |
| cherished(adjective, safe, snug, intact) | |
| free from danger(expression, idiom, safe, snug) | |
| guarded(adjective, safe, snug, intact) | |
| home-free(adjective, safe, snug, intact) | |
| impervious(adjective, sound, firm, safe) | |
| in safety(expression, adjective, safe, snug) | |
| intact(adjective, safe, snug, sheltered) | |
| maintained(adjective, safe, snug, intact) | |
| okay(adjective, safe, snug, intact) | |
| out of danger(expression, idiom, safe, snug) | |
| preserved(adjective, safe, snug, intact) | |
| safe and sound(expression, idiom, safe, snug) | |
| safeguarded(adjective, safe, snug, intact) |
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| APA | Smart Define. (2015). unassailable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unassailable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unassailable thesaurus" https://smartdefine.org/unassailable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, unassailable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unassailable/thesaurus/synonyms>. |
| MLA | Smart Define. "unassailable thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/unassailable/thesaurus/synonyms> |