OBSTINATELY
stubbornly, pig-headedly, obdurately, mulishly, obstinately, cussedly
(adverb) in a stubborn unregenerate manner; “she remained stubbornly in the same position”
Source: WordNet® 3.1
Etymology
Adverb
obstinately (comparative more obstinately, superlative most obstinately)
In an obstinate manner.
Source: Wiktionary
OBSTINATE
Ob"sti*nate, a. Etym: [L. obstinatus, p.p. of obstinare to set about
a thing with firmness, to persist in; ob (see Ob-) + a word from the
root of stare to stand. See Stand, and cf.Destine.]
1. Pertinaciously adhering to an opinion, purpose, or course;
persistent; not yielding to reason, arguments, or other means;
stubborn; pertinacious; -- usually implying unreasonableness.
I have known great cures done by obstinate resolution of drinking no
wine. Sir W. Temple.
No ass so meek, no ass so obstinate. Pope.
Of sense and outward things. Wordsworth.
2. Not yielding; not easily subdued or removed; as, obstinate fever;
obstinate obstructions.
Syn.
– Stubborn; inflexible; immovable; firm; pertinacious; persistent;
headstrong; opinionated; unyielding; refractory; contumacious. See
Stubborn.
– Ob"sti*nate*ly, adv.
– Ob"sti*nate*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition