Diligence is a steady, constant, and pertinacious study.
South.
Syn. -- Obstinate; stubborn; inflexible; unyielding; resolute;
determined; firm; constant; steady.
-- Per`ti*na"cious*ly, adv. -- Per`ti*na"cious*ness, n.
Per`ti*nac"i*ty (?), n. [Cf. F. pertinacitÈ.] The quality or state of
being pertinacious; obstinacy; perseverance; persistency. Macaulay.
Syn. -- See Obstinacy.
Per"ti*na*cy (?), n. [L. pertinere to pertain. See Pertinence.] The
quality or state of being pertinent; pertinence. [Obs.]
Per"ti*na*cy, n. [L. pertinacia, fr. pertinax. See Pertinacious.]
Pertinacity. [Obs.] Chaucer.