needed, necessary

need, necessity

(only in compounds) Amis (Taiwanese indigenous people)

(organic chemistry) amino

indispensable, essential

human, person, human being / personality, character / (Buddhism) literally meaning: "human society", referring to one of the six realms of reincarnation in Buddhist cosmology.

(archaic) the world in which people live; the world, society

(dated, rare) a place devoid of people

(medicine) acidemia, acidosis

oxygen deficiency; anoxia