Synonyms|102Antonyms|21|Broader|0Narrower|1Related|45

31 entries under adjective topic. ×

7
unfathomed
6
profound
6
unfathomable(deep, size, profound, bottomless)
5
immeasurable
4
heavy
4
unsounded
3
unexplored
2
bottomless
2
complete
2
enigmatic(deep, profound, bottomless)
2
fundamental
2
incomprehensible(deep, profound, bottomless)
2
mysterious
2
silent
2
uninvestigated
2
unknowable(deep, profound, bottomless)
1
hard
1
vast
0
burdensome
0
dense
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APASmart Define. (2015). unplumbed thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unplumbed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unplumbed thesaurus" https://smartdefine.org/unplumbed/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unplumbed thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unplumbed/thesaurus/synonyms>.
MLASmart Define. "unplumbed thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/unplumbed/thesaurus/synonyms>