Careful Words

cerulean (n.)

air
azure
blue
caelum
canopy
cope
empyrean
ether
firmament
heaven
heavens
hyaline
lift
sapphire
sapphirine
sky
sky-blue
turquoise
vault
welkin

cerulean (adj.)

air
azure
blue
bluish
dark-blue
empyrean
ether
hyaline
light-blue
livid
peacock-blue
sapphire
sapphirine
sky
sky-blue
sky-colored