rampant — OET

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2 that first interested glance had been replaced by one of rampant dislike: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.

3 rampant vegetation:

luxuriant, exuberant, lush, rank, rich, riotous, profuse, lavish, vigorous, productive;

informal jungly.

4 Heraldrytwo large stone pillars surmounted by rampant lions:

upright, standing (up), erect, rearing, vertical, perpendicular, upended, on end.

rampant Oxford Dictionary of English