of, or relating to non-Euclidean geometry

(geometry) Any system of geometry not based on the set of axioms of Euclidean geometry, which is based on the three-dimensional space of common experience.

(idiomatic) something that is difficult or impossible to locate; something impossibly complex or intractable

(set theory) Of a set, containing at least one element; not the empty set.

A common alternative form of PIN (in the sense of "personal identification number").

A variety of swingbeat dance music combining elements of rhythm and blues, soul music, hip hop and rap. / (slang) The combination of heroin and morphine, as a recreational drug.

Alternative letter-case form of New World Order

(UK politics) A movement in the 1990s and 2000s to rebrand the British Labour Party by discarding traditional goals such as nationalization and socialism.

A man who, rejecting sexist attitudes and traditional conceptions of masculinity, aims to be caring and sensitive, and to take a substantial role in the domestic routine.

(often capitalized) A modern spiritual and religious movement, covering a wide variety of alternative spiritual and philosophical ideas, that developed towards the end of the 20th century.