(chiefly science fiction) A conventional fictional alien from outer space in the form of a small humanoid with green skin. / (humorous) One of the supposed extraterrestrial occupants of UFOs.

(idiomatic) Ill or unwell, especially as indicated by one's appearance.

Chelonia mydas, a large sea turtle, the only species of the genus Chelonia.

(colloquial, usually with the) Envy, jealousy, covetousness.

Any of a range of dark green colours, originally associated with British racing cars

Any alga, of the class Xanthophyceae, that have yellow carotenoid pigments as well as chlorophyll

Alternative form of green about the gills

plural of common green lacewing

(biochemistry) Any of a class of protein produced by bioluminescent jellyfish of the genus Aequorea, that is used in biological research to trace the biosynthesis and movement of proteins in living organisms

plural of British racing green