pertinacious

• Burr instantly raised himself up in the bed, and declared that he would accompany them; and, so pertinacious was he on this point, that he immediately, although much enfeebled, commenced dressing himself. —  Memoirs of Aaron Burr, Volume 1.
• Comfort must not be expected by folks that go a pleasuring When the Portuguese are pertinacious, I say, 'Carracho! —  Life of Lord Byron, Vol. I.
• When the Portuguese are pertinacious, I say ' Carracho ! —  Selected English Letters (XV - XIX Centuries)
• This proposition continued to be supported with a degree of earnestness which its opponents termed pertinacious, but not a single opinion was changed. —  Life And Times Of Washington, Volume 2
• It is an obstinate opponent, pertinacious, persistent, inflexible, making a disturbance everywhere. —  The Project Gutenberg eBook of Napoleon the Little, by Victor Hugo

Roget's II: The New Thesaurus

Allen's Synonyms and Antonyms

Used in the Same Context