diehard Definition

traditionalist, fanatic, fanatical, steadfast, stubborn, tenacious, obstinate, entrenched, recalcitrant, stubbornness, intransigent, intransigence, persistent, extremist, intractable, persistence, hard-line, ultranationalist, ardent, rabid, fervent, staunch, avid, loyal, devout, hardcore, faithful, inveterate, stalwart, passionate, unabashed, longtime, zealous, vociferous, loyalist, anglophile, obsessive, fervid, enthusiastic, vehement, avowed, die hard, lifelong, keenest, beloved, heartiest, disgruntled, crankiest, hardiest, jaded, loving, unreconstructed, rouser, unregenerate, crazed, ite, crustiest, surliest, bloodthirsty, undying, cheering, pickiest, flabelliform, crabby, undiscerning, hard core, ornery, weariest, fickle, francophile, besotted, fond, minded, plucky, enraptured, embittered, superstitious, mad, delirious, vincible, dyed, fussiest, flabellate, intrepid, wiliest, incorrigible, gippy, hardbitten, buff, embraceable, neanderthal, allegiant, masochistic, envious, charmed, gruntled, fondest, onetime, quintessential, fellow,