28
beneath(adverb, preposition, lower, inferior, down)
26
below(adverb, preposition, lower, inferior, down)
26
under(adverb, preposition, lower, importance, inferior)
13
bottom(noun, adverb, preposition, importance, inferior)
9
underside(noun, base, foundation, side, ground)
9
lower(adjective, adverb, preposition, importance, inferior)
8
down(adjective, adverb, preposition, lower, inferior)
6
base(noun, lower, foundation, mediocre, ground)
6
clandestine(adjective, secret, hidden, spy, covert)
5
covert(adjective, secret, hidden, spy)
4
downward(adjective, adverb, inferior, down, depressed)
4
neath(adverb, preposition, under, below)
4
secret(adjective, hidden, spy, covert)
4
sole(noun, bottom)
4
subordinate(adjective, lower, importance, mediocre, substandard)
4
undercover(adjective, secret, hidden, spy, covert)
4
furtive(adjective, secret, hidden, spy, covert)
4
inferior(adjective, adverb, preposition, lower, importance)
4
less(adverb, lower, importance, mediocre, substandard)
3
nether(adverb, preposition, lower, importance, inferior)
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APASmart Define. (2015). underneath thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/underneath/thesaurus/synonyms
ChicagoSmart Define. 2015. "underneath thesaurus" https://smartdefine.org/underneath/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, underneath thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/underneath/thesaurus/synonyms>.
MLASmart Define. "underneath thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/underneath/thesaurus/synonyms>