A relative measure of the quality of life a person or group has, often with per capita income (GNI or GDP) serving as a proxy measurement but with some notion of human development as the real (underlying) entity being measured.

Non-Oxford British English standard spelling of water of crystallization.

(idiomatic) In suspense; waiting eagerly or anxiously for some resolution.

Adjectival or attributive form of angels dancing on the head of a pin.

(figuratively) The subject of arcane intellectual speculation; used as an example subject of enquiry the pursuit of which is of no value.

Beelzebub; Satan / (idiomatic, biblical) a ruler over a worthless kingdom; leader of a meaningless microcosm.

(idiomatic) Especially; more than other people

(idiomatic) A person who has a competent grasp of many skills but who is not outstanding in any one.

(idiomatic) A traveler.

(in the singular) The world, a place where difficulties and the sorrows of life are felt, especially (Christianity) as a place to be left behind when one dies and goes to heaven.