In a world-ending way; in a manner which could cause the end of the world.

(astronomy) An astronomical body containing a significant amount of liquid water.

A worldly or sophisticated man, one well versed in the ways and dealings of humankind.

Tired of the ways of the world; feeling apathetic or cynical due to one's life experiences. / Bored with life.

(historical, politics) Those countries aligned with the West during the Cold War, particularly in contrast to those aligned with the East (Second World).

(historical, politics) Those countries not aligned with the west or the east during the Cold War. / (sometimes derogatory) The developing countries of Asia, Africa and Latin America.

Any of various large international expositions held since the mid 19th century, often called "Expo".

Those countries aligned with the East during the Cold War, particularly in contrast to those aligned with the West (First World).

Of or from the Third World.

An internationally widespread religious belief system which has become generally recognized as having independent status from any other religion, but which nonetheless may have many, sometimes mutually antagonistic, sects or denominations.