North Atlanticist noun 3adjective 1forms 3 noun3 •One whose political views support the North Atlantic countries as a power base, especially a supporter of NATO.That Mrs Thatcher, friend of Ronald Reagan and North Atlanticist, has been replaced by John Major and a more committedly European cabinet, does not resolve the issue. — 1991 •(nonstandard, rare) A denizen or dweller of the North Atlantic •(nonstandard, rare) An inhabitant of a nation that borders the North Atlantic adjective1 •(nonstandard, rare) Of, or pertaining to the North AtlanticHowever, between 1986-88 Japan was pushed into a corner by her North-Atlanticist allies when the latter sent their fleet to the Gulf, internationalizing the regional conflict. — 1999 formsNorth Atlanticists · more North Atlanticist · most North Atlanticist