Alternative form of slate gray

A black-bellied plover.

(chiefly UK, Canada, Australia, idiomatic) The collective political, economic, and social influence of senior citizens, especially when they are mobilized by a common interest.

(Britain) the purchasing power of or the business generated by elderly people

simple past tense and past participle of grey out

present participle of grey out

someone selling grey market goods or trading on the grey market

plural of grey marketeer

(astronomy) A night that does not become completely dark because the sun does not go further than 18° below the horizon.

plural of grey jay