78 entries under heavy topic. ×

5
solid(verb, adjective, set, sound)
5
vehement(adjective, clear, strong, tough, severe)
4
enigmatic(adjective, hard, evil, loose)
4
big(adjective, strong, intense, large)
4
brainy(adjective, keen, sharp, smart, bright)
4
compact(adjective, set, hard, solid)
4
resounding(adjective, dull, clear, strong, big)
3
close(adjective, set, strong, obscure, solid)
3
mystic(adjective, hard, evil, obscure)
3
opaque(adjective, set, solid, doubtful)
3
puzzling(adjective, hard, evil, obscure, delicate)
2
clotted(adjective, set, solid, stiff)
2
condensed(adjective, set, solid, stiff)
2
inner(rational, intellectual, supernatural, spiritual)
2
ringing(adjective, dull, clear, strong, pure)
2
thundering(adjective, clear, strong, big, pure)
1
caked(adjective, set, solid, stiff)
1
clabbered(adjective, set, solid, stiff)
1
coagulated(adjective, set, solid, stiff)
1
compressed(adjective, set, solid, stiff)
10 years ago|42k views|share |citing 
APASmart Define. (2016). deep thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/deep/thesaurus/synonyms
ChicagoSmart Define. 2016. "deep thesaurus" https://smartdefine.org/deep/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, deep thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/deep/thesaurus/synonyms>.
MLASmart Define. "deep thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/deep/thesaurus/synonyms>