1
undermost
1
underneath
1
underside
1
understruction
1
understructure
0
ABCs(law, foundation, basic, stipulation, tenet)
0
axiom(law, foundation, basic, stipulation, tenet)
0
bargain
0
basic(law, foundation, stipulation, tenet, axiom)
0
beginnings(cause, quick, source, origin, stem)
0
budget
0
cause(source, origin)
0
center(cause, source, origin)
0
component(law, foundation, basic, stipulation, tenet)
0
constituent(law, foundation, basic, stipulation, tenet)
0
core(cause, source, origin)
0
cornerstone(law, foundation, basic, stipulation, tenet)
0
crux(cause, source, origin)
0
depths of despair
0
derivation(cause, source, origin)
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APASmart Define. (2015). rock bottom thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rock_bottom/thesaurus/synonyms
ChicagoSmart Define. 2015. "rock bottom thesaurus" https://smartdefine.org/rock_bottom/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, rock bottom thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rock_bottom/thesaurus/synonyms>.
MLASmart Define. "rock bottom thesaurus" 9 July 2015. Web. 24 September 2026. <https://smartdefine.org/rock_bottom/thesaurus/synonyms>