1
soppy
1
subterranean
1
subterraneous
1
taken up with(expression, idiom, absorbed, occupied, engaged)
1
tied up(expression, absorbed, occupied, engaged, captivated)
1
turned on(expression, absorbed, occupied, engaged, captivated)
1
unapparent
1
unbeheld
1
unbeholdable
1
under the radar
1
under the surface(expression, idiom)
1
under water(expression, idiom)
1
underground
1
underlying
1
undiscernible
1
unmanifested
1
unnoticed
1
unobserved
1
unperceivable
1
unperceived
11 years ago|8.3k views|share |citing 
APASmart Define. (2015). submerged thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/submerged/thesaurus/synonyms
ChicagoSmart Define. 2015. "submerged thesaurus" https://smartdefine.org/submerged/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, submerged thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/submerged/thesaurus/synonyms>.
MLASmart Define. "submerged thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/submerged/thesaurus/synonyms>