caudal appendage (noun) tail: end piece, part
Sinonime: adusk, bistered,
bleak, brunette, caliginous, cheerless,
cloudy, crepuscular,
dark, dark-complexioned, darkish,
desolate,
dim,
dismal,
dull, funereal,
gloomy, joyless, lightless,
obscure, overcast, sable, shadowy,
shady, swart, swarthy,
tenebrous,
twilight, twilit, unilluminated, veiled
Antonime: bright,
clear, light