Synonyms|40Antonyms|6|Broader|1Narrower|2Related|30
4
invulnerability(noun, safety)
4
safety(noun, protection, safety)
2
invincibility
1
escape
1
immortality
1
impregnable
1
security(noun, safety)
1
surety(noun, safety)
0
blow valve(expression, idiom, safety)
0
blown
0
coast
0
coast clear(expression, idiom, safety)
0
danger
0
danger over(verb, phrasal verb, safety)
0
danger past(verb, phrasal verb, safety)
0
excellence
0
force
0
immunity
0
inaccessibility
0
intensity
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APASmart Define. (2015). impregnability thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/impregnability/thesaurus/synonyms
ChicagoSmart Define. 2015. "impregnability thesaurus" https://smartdefine.org/impregnability/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, impregnability thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/impregnability/thesaurus/synonyms>.
MLASmart Define. "impregnability thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/impregnability/thesaurus/synonyms>