deep-level
subterraneous
subterranean
subterraneously
hypogean
belowground
subterrene
subterraneanly
speluncar
intraterrestrial
hypogeal
semisubterranean
underearth
subterraneousness
deep-seated
tunnelly
subterrain
hypogeum
subterrestrial
tunnel
fathom
unsoundable
narrow work
hypogeous
hypogene
profound
subterrane
cut-and-cover
burrow
endokarst
semideep
deepish
sub-excavation
cuniculus
netherness
denehole
catacomb
drift
underground
grade-constructed
undeep
vactrain
cuniculate
abysmal
cave
fathomly
Pict's house
unfathomable
abyssal
spelunker
shallow
intertunnel
underhalls
hollow
microtunnel
tahkhana
dungeon
earthscraper
unfathomed
cavern
nondeep
plummetless
hypogee
microtrenched
excavation unit
geophily
sidetrack
sink
wormhole
discontinuity
bathos
euendolith
deep
superdeep
depth
chamber
deeply
pseudoprofundity
sandhog
mesocavern
manhole
crypt
abysslike
groove
chasmous
overbreak
air
bottomless
cavernously
caverned
camouflet
close-quarter
hole
shoal

English words for 'Built or occurring underground at a relatively deep level.'

As you may have noticed, above you will find words for "Built or occurring underground at a relatively deep level.". Hover the mouse over the word you'd like to know more about to view its definition. Click search related words by phrase or description. to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.

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