- Definitions|2
- Thesaurus|716
- Abbreviations|0
36 entries under intact topic. ×
| secure(adjective, sound, reasonable, firm, true) | |
| unassailable(adjective, strong, secure, resolute, safe) | |
| invulnerable(adjective, strong, secure, resolute, safe) | |
| inviolable(adjective, secure, safe, snug) | |
| safe(adjective, secure, harm, unquestionable, snug) | |
| protected(adjective, secure, safe, snug) | |
| impervious(adjective, secure, safe, snug) | |
| defended(adjective, secure, safe, snug) | |
| guarded(adjective, secure, safe, snug) | |
| safeguarded(adjective, secure, safe, snug) | |
| shielded(adjective, secure, safe, snug) | |
| buttoned up(expression, adjective, secure, safe, snug) | |
| cherished(adjective, secure, safe, snug) | |
| free from danger(expression, idiom, secure, safe, snug) | |
| home-free(adjective, secure, safe, snug) | |
| in safety(expression, adjective, secure, safe, snug) | |
| maintained(adjective, secure, safe, snug) | |
| okay(adjective, secure, safe, snug) | |
| out of danger(expression, idiom, secure, safe, snug) | |
| preserved(adjective, secure, safe, snug) |
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| APA | Smart Define. (2015). impregnable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/impregnable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "impregnable thesaurus" https://smartdefine.org/impregnable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, impregnable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/impregnable/thesaurus/synonyms>. |
| MLA | Smart Define. "impregnable thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/impregnable/thesaurus/synonyms> |