hold one's fire phrase 2verb 1forms 3 phrase2 •Do not discharge a weapon. Used originally for weapons needing a spark or lighting of a fuse to ignite gunpowder; now sometimes used to mean any weapon launching a projectile. •(informal) Wait, don't retaliate, calm down, be quiet.Hold your fire and let me explain. verb1 •To refrain from criticism. formsheld one's fire · holding one's fire · holds one's fire