Something that is cold and dark, tomb-like evoking dread or solemnity is...
chrystalline
alkaline
choral
sepulchral
Something (usually, face expression) that is dreary, mournful, bleak and gloomy is also called...
tremendous
lugubrious
anticlimactic
transfixing
This adjective is great to describe shadowy and obscure surroundings a moody scene.
dazzling
tenebrous
floaty
oneiric
An adjective that relates to light and dark contrast is...
stalwart
vivid
vigilant
chiaroscuro
A remark / comment / humour that is sharply sarcastic is...
vivacious
jubilant
mordant
cerebral
A brooding, dark expression is...
lush
verdant
saturnine
robust
Subtly charming in an innocent way.
tenacious
winsome
elusive
seraphic
Transparently clear, either literally or metaphorically
Murmurous
Effervescent
Oblique
Pellucid
Whispering or rustling softly (e.g. leaves, water, wind)
enigmatic
misty
magnetic
susurrant
Sticky or clingy - both physically and emotionally
stridulant
guttural
gleaming
viscid
Tall, slender and graceful in motion.
lissom
assertive
willowy
indomitable
Smoothly charming.
mercurial
amorphous
suave
unflappable
Detached, drifting, without anchor - physically or emotionally
diaphanous
liminal
clandestine
unmoored
Able to change form easily; adaptable and elusive.
Convalescent
Abysmal
Intricate
Protean
