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