Synonyms|127Antonyms|52|Broader|0Narrower|0Related|569
1
splinterless
1
splinterproof
1
staunch
1
unbending
1
unchangeable
1
undying
1
uninfringeable
0
molded(adjective, strong, hard, solid, stiff)
0
binding
0
brawny(adjective, strong, hard, solid, stiff)
0
callous(adjective, firm, stiff, rigid)
0
ceaseless
0
changeless
0
cohesive(adjective, strong, hard, solid, stiff)
0
compact(adjective, firm, stiff, rigid)
0
compacted(adjective, firm, stiff, rigid)
0
compressed(adjective, firm, stiff, rigid)
0
concentrated(adjective, firm, stiff, rigid)
0
conditioned(adjective, strong, hard, solid, stiff)
0
consolidated(adjective, firm, stiff, rigid)
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APASmart Define. (2016). unbreakable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unbreakable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unbreakable thesaurus" https://smartdefine.org/unbreakable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, unbreakable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unbreakable/thesaurus/synonyms>.
MLASmart Define. "unbreakable thesaurus" 5 January 2016. Web. 23 September 2026. <https://smartdefine.org/unbreakable/thesaurus/synonyms>