界

Common noun

death; the next world

Euphemistic; Noun or participle which takes the aux. verb suru; Intransitive verb

to pass away; to die

nature; the natural world; realm of nature

every part of the world; all over the world; the four corners of the world

world conquest; world domination; taking over the world

world tree (religious or mythological motif)

New World (esp. the Americas, but also Australasia)

new world

show business; entertainment industry; world of entertainment

hades; realm of the dead

Biology

subkingdom

world history; international history

(world of) politics; political world; political circles

Common noun

boundary

Common noun; Physics

(nuclear) criticality

Noun or verb acting prenominally

critical (mass, pressure, temperature, state, point, etc.)

critical point (temperature)

world's first; first in the world

Physics

world line

Colloquial

parallel universe (in fiction); parallel world; alternative reality

Buddhism

spiritual realm of humanity

political and business circles; political and business establishment; politics and industry

financial world; business circles

the spiritual world

Old World (i.e. Asia, Africa, Europe)

Common noun; Buddhism

the three realms of existence

Abbreviation; Common noun; Buddhism

the whole universe (of a billion worlds) that Buddha enlightened

Common noun; Buddhism

past, present and future existences

Suffix

far-off ...; distant ...

snowscape

economic world; financial circles; business community

threshold; breaking point