momentous Definition

important, significant, big, epochal, eventful, pivotal, memorable, remarkable, fateful, profound, historic, landmark, consequential, seminal, unforgettable, weighty, noteworthy, decisive, groundbreaking, crucial, disastrous, transcendent, solemn, meaningful, major, huge, massive, great, sweeping, enormous, gigantic, immense, fabulous, vital, tremendous, fundamental, transcendental, historical, critical, substantial, importance, paramount, essential, key, grave, considerable, onerous, overriding, serious, fatal, large, burdensome, capital, epoch-making, far-reaching, ground-breaking, wide-ranging, tai, monumental, extraordinary, earthshaking, cataclysmic, auspicious, transformative, tumultuous, poignant, fortuitous, tragic, joyous, portentous, unthinkable, revelatory, glorious, unprecedented, serendipitous, calamitous, notable, miraculous, unimaginable, unexpected, inauspicious, improbable, wondrous, immomentous, dramatic, transformational, moliminous, bittersweet, providential, exciting, thrilling, fascinating, startling, triumphant, symbolic, humbling, titanic, grandest, saddest, propitious,