Synonyms|155Antonyms|1|Broader|1Narrower|2Related|39

31 entries under substance topic. ×

11
foundation(noun, base, balance, stand)
9
base(noun, stand, basis, grounds)
8
groundwork(noun, support, authority, base)
7
foot(noun, support, authority, base)
7
substructure(noun, support, authority, base)
5
basis(noun, base, balance, foundation)
5
bottom(noun, base, balance, foundation)
5
infrastructure(noun, support, authority, base)
4
bed(noun, support, authority, base)
3
footing(noun, support, authority, base)
3
root(noun, support, authority, base)
3
underpinning(noun, support, authority, base)
2
bedrock(noun, support, authority, base)
2
ground(noun, support, authority, base)
2
grounds
2
substratum(noun, support, authority, base)
1
basics(noun, support, authority, basis)
1
support(noun, authority, base, stand)
0
ABCs(noun, support, authority, base)
0
authority(noun, support, basis, grounds)
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APASmart Define. (2015). understructure thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/understructure/thesaurus/synonyms
ChicagoSmart Define. 2015. "understructure thesaurus" https://smartdefine.org/understructure/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, understructure thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/understructure/thesaurus/synonyms>.
MLASmart Define. "understructure thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/understructure/thesaurus/synonyms>