75 entries under substantial topic. ×

1
enduring(adjective, strong, sound, tough, fit)
1
forceful(adjective, strong, tough, solid, intense)
1
forcible(adjective, strong, tough, solid, energetic)
1
heavy-duty(adjective, solid, heavy, important, powerful)
1
stable(adjective, sound, complete, solid, heavy)
1
tenacious(adjective, strong, hard, sound, tough)
1
unyielding(adjective, strong, hard, solid, heavy)
1
well-made(adjective, solid, heavy, powerful)
0
apparent(significant, definite, considerable)
0
ascertainable(significant, definite, considerable)
0
clear-cut(significant, definite, considerable)
0
detectable(significant, considerable)
0
discernible(significant, definite, considerable)
0
distinguishable(significant, considerable)
0
evident(significant, definite, considerable)
0
fixed(adjective, solid, heavy, powerful)
0
good-sized(significant, definite, considerable)
0
manifest(significant, definite, considerable)
0
marked(significant, definite, considerable)
0
measurable(significant, definite, considerable)
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APASmart Define. (2016). healthy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/healthy/thesaurus/synonyms
ChicagoSmart Define. 2016. "healthy thesaurus" https://smartdefine.org/healthy/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, healthy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/healthy/thesaurus/synonyms>.
MLASmart Define. "healthy thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/healthy/thesaurus/synonyms>