A hypothetical end-of-the-world event involving nanotechnology, in which out-of-control self-replicating nanobots consume all life on Earth.

Of a light grey colour

A light grey colour

(idiomatic) An area intermediate between two mutually exclusive states or categories, where the border between the two is fuzzy.

A medium grey colour tinged with blue, like that of a battleship.

Ardea cinerea, an Old World wading bird of the heron family.

Any of various edible fish, of the family Mugilidae, found worldwide in coastal waters and rivers.

A large canid, Canis lupus, once found throughout forested areas of northern Europe, Asia and America; it shares a common ancestry with the domestic dog.

(Australia, Melbourne, Sydney) A parking inspector, a person issuing tickets fining vehicles parked illegally or for too long.

plural of grey mullet