Rife, or occurring widely, frequently or menacingly.
Rearing on both hind legs with the forelegs extended.
Rearing up, especially on its hind leg(s), with a foreleg raised and in profile.
Tilted, said of an arch with one side higher than the other, or a vault whose two abutments are located on an inclined plane.
Unrestrained or unchecked, usually in a negative manner.
Rampantly.
Widespread, common, prevalent, current (mainly of unpleasant or harmful things).
Full of (mostly unpleasant or harmful things).
Abounding; present in large numbers, plentiful.
Plentifully, abundantly.