形容詞 rampant:

1. unrestrained and violent
2. rearing on left hind leg with forelegs elevated and head usually in profile
   同義詞：rearing
3. (of a plant) having a lush and unchecked growth

1. Deplored the rampant consumerism of contemporary society.
   對當代社會中狂熱的拜金思想深感遺憾
2. Sickness was rampant in the country.
   疾病在這個國家猖獗。

ram.pant

adj.（形容詞）
Extending unchecked; unrestrained:
蔓延的，不受限制的：不受限制地蔓延的；無節(jié)制的：
例句：
a rampant growth of weeds in the neglected yard.
雜草在未被妥善照管的院子里滋長

Occurring without restraint and frequently, widely, or menacingly; rife:
猖獗的：不受限制地和經常地、大面積地或有威脅性地發(fā)生；盛行：
例句：
a rampant epidemic; rampant corruption in city government.
一場流行瘟疫；市政府里腐敗成風

Rearing on the hind legs.
用后腿站立的
Heraldry Rearing on the left hind leg with the forelegs elevated, the right above the left, and usually with the head in profile.
【紋章學】 躍立的：用左后腿站立，前腿抬起，右前腿高于左前腿的，通常頭部呈側面
Architecture Springing from a support or an abutment that is higher at one side than at the other:
【建筑學】 拱墩有高低的：從一側比另一側高的支撐點或拱座上跳起的：
例句：
a rampant arch.
跛拱

來源：
Middle English rampaunt
中古英語 rampaunt
from Old French rampant [present participle of] ramper [to ramp] * see ramp 2
源自 古法語 rampant [] ramper的現在分詞 [斜坡] *參見 ramp2

【引伸】
ram.pancy
n.（名詞）
ram.pantly
adv.（副詞）