MK noun4 •Initialism of Member of Knesset.A simple majority of 61 MKs will be able to do whatever it wants without any checks and balances. — 2024 •Initialism of Milton Keynes: a borough in Buckinghamshire, England; also the first part of the postcode for the area.Marland added: "We will look at bidding for the HQ, but the language being used indicates that already-successful places like MK need not apply. — 2021 •Initialism of missionary's kid.A significant sector of the Global Nomad population is represented by the 'missionary kids' or 'MK's'. — 2001 •(slang) Initialism of mooseknuckle. formsMK's · MKs