(a mass of) white or grey water vapour floating in the sky

mass of water particles in air

(the act, way, of) dying; end of life

end of life

the state of being ignorant

unintelligence, inexperience

the failure to understand

ignorance

(the wearing of) black clothes as a sign of grief

sadness, time of sadness

the time between sunset and sunrise

part of day after sundown and before sunrise

the state of being hidden or unknown; something that is obscure

vagueness

the quality of being opaque

cloudiness

(the habit of) keeping secrets; state of being kept secret

concealment

darkness caused by cutting off direct light; a small difference; a degree of depth of colour

dimness

stone(s); (used only after the number 1) first: '1st', '31st' etc

secrecy