Synonyms to front line

aceldama, Belsen, DMZ, abattoir, battle line, battle site, battlefield, battleground, butchery, combat area, combat zone, concentration camp, enemy line, field, field of battle, field of blood, firing line, gas chamber, killing ground, landing beach, line, line of battle, seat of war, shambles, slaughterhouse, stockyard, the front, theater, theater of operations, theater of war, zone of communications, advance guard, airhead, armed guard, avant-garde, bank guard, beachhead, bridgehead, coast guard, cordon, cordon sanitaire, farthest outpost, first line, forefront, front, front rank, front-runner, garrison, goalie, goalkeeper, goaltender, guard, guarder, guardsman, inlying picket, innovation, jailer, latest fad, latest fashion, latest wrinkle, new look, newfangled device, novelty, outguard, outpost, picket, pioneer, point, precursor, railhead, rear guard, scout, security guard, spearhead, the in thing, the last word, the latest thing, train guard, van, vanguard, warder, avant garde, a la mode, advanced, ancestor, announcer, antecedent