upheaval (noun) upheaval: major change
Sinonime: about-face,
alteration,
cataclysm,
catastrophe,
clamor,
commotion, convulsion,
disaster,
disorder,
disruption,
disturbance, eruption,
explosion, ferment, flip-flop, new ball-game, new deal, outbreak,
outburst, outcry,
overthrow,
revolution, shakeout,
stirring,
switch, temblor, tremor,
tumult,
turmoil, turnaround, upturn
Antonime: stagnation