(a.) Holding or adhering to any opinion, purpose, or design, with obstinacy; perversely persistent; obstinate; as, pertinacious plotters; a pertinacious beggar.
(a.) Resolute; persevering; constant; steady.
Example Sentences:
(1) During the Nazi regime, the official "health command" policy monitored by the Nazi party promoted home delivery under midwife supervision, both by pertinacious propaganda and partly also by decrees and ordinances.
Pertinacity
Definition:
(n.) The quality or state of being pertinacious; obstinacy; perseverance; persistency.