aquatic
subsurface
awash
bathed
behind the curtain
behind the scenes
between the lines
buried
camouflaged
concealed
covert
cryptic
debased
delitescent
deluged
depressed
dipped
disguised
dormant
downcast
downthrown
drenched
dribbling
dripping
dripping wet
drowned
engulfed
esoteric
fallen
flooded
hibernating
hidden
immersed
imperceptible
indiscernible
insensible
inundated
invisible
latent
low
lowered
lurking
macerated
muffled
mystic
obfuscated
obscured
occult
oozing
out of sight
overflowed
permeated
converged
diverged
emerged
merged
purged
reemerged
scourged
splurged
surged
urged