59 entries under significant topic. ×

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meaningful(substantial, large, considerable)
0
momentous(substantial, large, considerable)
0
noteworthy(substantial, large)
0
noticeable(substantial, large)
0
principal(large, considerable)
0
renowned(substantial, large)
0
serious(large, considerable)
0
solid gold(expression, substantial, large)
0
something(substantial, large, quite, fairly)
0
something else(expression, substantial, large)
0
stable(large, considerable)
0
steady(large, considerable)
0
sturdy(large, robust, considerable)
0
super(great, big, substantial, large)
0
super-duper(substantial, large)
0
to the max(expression, idiom, substantial, large)
0
unreal(substantial, large)
0
venerable(substantial, large)
0
well-built(large, considerable)
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APASmart Define. (2016). ample thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ample/thesaurus/synonyms
ChicagoSmart Define. 2016. "ample thesaurus" https://smartdefine.org/ample/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, ample thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ample/thesaurus/synonyms>.
MLASmart Define. "ample thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/ample/thesaurus/synonyms>