1 synonym for Gravierend

harsh, strict, stern, rigorous, grave, serious, intense, acute, drastic, stringent, tough, extreme, critical, dire, austere, exacting, demanding, grim, relentless, uncompromising, unyielding, inflexible, hard, fierce, brutal, cruel, punishing, oppressive, heavy, biting, cutting, piercing, scathing, caustic, vitriolic, trenchant, mordant, withering, ferocious, savage, ruthless, merciless, unforgiving, unsparing, remorseless, inexorable, implacable, unrelenting [x]