Synonyms|48Antonyms|1|Broader|0Narrower|0Related|4

11 entries under tough topic. ×

3
durable(adjective, stable, sturdy, constant)
2
abiding(stable, sturdy, constant, enduring)
2
constant(stable, sturdy, enduring, lasting)
2
enduring(stable, sturdy, constant, lasting)
2
lasting(stable, sturdy, constant, vast)
2
long-lasting(stable, sturdy, constant, enduring)
2
perdurable(stable, sturdy, constant, enduring)
2
persistent(stable, sturdy, constant, enduring)
2
stable(sturdy, constant, enduring, lasting)
1
fixed(stable, sturdy, constant, enduring)
1
indestructible(stable, sturdy, constant, enduring)
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APASmart Define. (2015). perduring thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/perduring/thesaurus/synonyms
ChicagoSmart Define. 2015. "perduring thesaurus" https://smartdefine.org/perduring/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, perduring thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/perduring/thesaurus/synonyms>.
MLASmart Define. "perduring thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/perduring/thesaurus/synonyms>