fagless adjective2 •(UK, informal) Without a cigarette.She gave him the whole cigarette and he swaggered back to the group, flaunting his trophy to the fagless. — 2009 •(old-fashioned) That does not fag or tire; untiring.That is he who, true and fagless, / Toiled for Scotland's weal and fame, / Where the name of good Lord Douglas / Still stirs up the patriot's flame. — 1883 formsmore fagless · most fagless