edacious

Occasionally the road must be set back, and once the lighthouse was moved back from the cliffs, eaten away by the edacious tooth of the sea.

From Among the Forces by Henry White Warren

So busy has perverse Destiny been on it; perverse Destiny, edacious Chance;—and the Dryasdusts, too, and Nightmares, in Prussia as elsewhere, we know how strong they are!

From History of Friedrich II of Prussia — Volume 11 by Thomas Carlyle

Thus Time rolls on in its many-colored manner, edacious and feracious.

From History of Friedrich II of Prussia — Volume 03 by Thomas Carlyle

Personages of it, Two British subjects in the high Diplomatic line: ponderous Scotch Lord of an edacious gloomy countenance; florid Yorkshire Gentleman with important Proposals in his pocket.

From History of Friedrich II of Prussia — Volume 13 by Thomas Carlyle

Second-hand Jerry did not say these things to our young philosopher; for had he done so, Khalid, now become edacious, would not have experienced those dyspeptic pangs which almost crushed the soul-fetus in him.

From The Book of Khalid by Ameen Fares Rihani