Index of English words, starting with "pe"

(1) - Pertinacious (a.) Resolute; persevering; constant; steady.
(2) - Pertinacious (a.) Holding or adhering to any opinion, purpose, or design, with obstinacy; perversely persistent; obstinate; as, pertinacious plotters; a pertinacious beggar.

(1) - Pertinacity (n.) The quality or state of being pertinacious; obstinacy; perseverance; persistency.