Synonyms|127Antonyms|52|Broader|0Narrower|0Related|569

3 entries under sacrosanct topic. ×

6
firm(adjective, strong, hard, tough, severe)
4
durable(adjective, strong, hard, tough, firm)
2
stable
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APASmart Define. (2016). unbreakable thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unbreakable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unbreakable thesaurus" https://smartdefine.org/unbreakable/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, unbreakable thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unbreakable/thesaurus/synonyms>.
MLASmart Define. "unbreakable thesaurus" 5 January 2016. Web. 30 September 2026. <https://smartdefine.org/unbreakable/thesaurus/synonyms>