- Holding or adhering to any opinion, purpose, or
design, with obstinacy; perversely persistent; obstinate; as,
pertinacious plotters; a pertinacious beggar. - Resolute; persevering; constant; steady.
Meaning of 'pertinacious' (Princeton's WordNet)
1 . pertinacious
[ s]
Meaning (1): - stubbornly unyielding
Example in sentence:
a mind not gifted to discover truth but tenacious to hold it;
dogged persistence;
dour determination;
men tenacious of opinion;
the most vocal and pertinacious of all the critics