dogged (adj.)
fierce, cruel, ferocious
KJ IV.i.128[Hubert to Arthur, of his enemies] I'll fill these dogged spies with false reports
KJ IV.iii.149[Bastard to Hubert] Now for the bare-picked bone of majesty / Doth dogged war bristle his angry crest
SHAKESPEARE'S WORDS © 2018 DAVID CRYSTAL & BEN CRYSTAL