20 entries under base topic. ×

9
lowermost(adjective, last, over, bottom)
9
lowest(adjective, last, over, bottom)
8
bottom(adjective, fundamental, over, lowest)
8
undermost(adjective, last, over, bottom)
4
ground(adjective, last, bottom)
3
basal(adjective, last, bottom)
3
last(adjective, bottom)
3
rock-bottom(adjective, last, bottom)
2
basic(adjective, last, bottom)
2
primary(adjective, last, bottom)
2
radical(adjective, last, bottom)
2
underlying(adjective, last, bottom)
1
basement(adjective, last, bottom)
1
foundational(adjective, last, bottom)
1
fundamental
0
built on(verb, phrasal verb)
0
founded on(verb, phrasal verb)
0
grounded on(verb, phrasal verb)
0
lowest fundamental(expression, last)
0
meat and potatoes(expression, idiom, last)
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APASmart Define. (2015). nethermost thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nethermost/thesaurus/synonyms
ChicagoSmart Define. 2015. "nethermost thesaurus" https://smartdefine.org/nethermost/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, nethermost thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nethermost/thesaurus/synonyms>.
MLASmart Define. "nethermost thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/nethermost/thesaurus/synonyms>