52 entries under adjective topic. ×

5
unbreakable(strong, tough, sturdy, fragile)
4
strong
3
indestructible(unable, lasting)
2
durable
2
hard
1
imperishable
1
rigid
1
solid
1
sturdy
1
substantial
1
sustainable
1
tough
1
unyielding
0
abiding
0
able
0
arduous
0
ceaseless
0
changeless
0
chronic
0
consistent
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APASmart Define. (2015). breakable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/breakable/thesaurus/antonyms
ChicagoSmart Define. 2015. "breakable thesaurus" https://smartdefine.org/breakable/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, breakable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/breakable/thesaurus/antonyms>.
MLASmart Define. "breakable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/breakable/thesaurus/antonyms>