45 entries under idiom topic. ×

7
less than(expression, underneath)
4
lower than(expression, adverb, below, underneath)
3
below par(expression, low, minor, secondary)
3
below the mark(expression, adjective, light, slight)
2
at a disadvantage(expression, inferiority)
1
at the nadir
1
in the gutter
1
in the power of(expression, adverb, low, amenable)
1
least of all
1
not more than
1
on the bottom(expression, adverb, seriously, actively)
1
on the nether side(expression, adverb, seriously, actively)
1
on the underside(expression, adverb, seriously, actively)
1
out cold(expression, adjective, numb, unconscious)
1
out of sight
1
tied to apron strings(expression, adjective, weak, poor)
1
to the bottom(expression, adjective, adverb, lower)
1
under the influence
0
all joking aside(expression, adverb, seriously, actively)
0
at the bottom
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APASmart Define. (2015). under thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/under/thesaurus/synonyms
ChicagoSmart Define. 2015. "under thesaurus" https://smartdefine.org/under/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, under thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/under/thesaurus/synonyms>.
MLASmart Define. "under thesaurus" 31 December 2015. Web. 22 September 2026. <https://smartdefine.org/under/thesaurus/synonyms>