conserved – If something is rare and important, it should be conserved, or kept carefully.
strict – If you are stern and demand obedience, you are strict.
harsh – If something is hard to stand up to, like a blizzard, it is harsh.
bleak – If something is cold and gloomy, it is bleak.
absence – An absence means that something or someone is not present.
shelters – Something that shelters you protects you and keeps you safe.
permanently – If something stays one way forever, it stays that way permanently.
drifts – When something drifts, it moves along without direction.
scarce – Something is scarce if there is not much of it to be found.
