just so . just so (2) {conj.} Provided; if. Take as much food as you want, just so you don't waste any food. Syn.: AS LONG AS (2). Categories: add yours {conj.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: J Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Post my comment