rampant
adjective
1 the rampant inflation of the mid-1970s:
uncontrolled, unrestrained, unchecked, unbridled, widespread, pandemic, epidemic, pervasive;
out of control, out of hand, rife, spreading like wildfire.
▷antonyms controlled, under control.
2 that first interested glance had been replaced by one of rampant dislike:
vehement, strong, violent, forceful, raging, wild, intense, fanatical, passionate.
▷antonyms mild.