0 very determined and refusing to be defeated by problems:
Like most successful politicians, she is pertinacious and single-minded in the pursuit of her goals.
The fly is spoken of as having been very pertinacious and aggressive, attacking men, and the donkeys which hunters occasionally brought into the areas, most savagely.
What is undoubted is that they are pertinacious if not loquacious.
But this student was very pertinacious, and he put back the line where it had been before.
I am sorry to be so pertinacious about that.
I have a later letter which was written because the trade union secretary was pertinacious and received another reply, which is a classic.
We all know from his military record that he is a very pertinacious gentleman.
This is an example of what can be achieved by a pertinacious back-bencher.
He has been extremely pertinacious about this matter.
