bulldogged

/ˈbʊlˌdɔɡd/
adjective
  1. Having a determined, stubborn, or tenacious character; resembling a bulldog in persistence.
    • Her bulldogged determination helped her finish the marathon despite the pain.
    • The lawyer's bulldogged approach in court intimidated the witnesses.
    • With bulldogged focus, he worked on the puzzle for hours without giving up.
Antonyms
What does "bulldogged" mean? | whatsthatwordmean | whatsthatwordmean