WORD OF THE DAY.
The Word of the Day comes from GOLDEN STATE by Ben H. Winters. This novel has been shortlisted for the 2020 TOB.
CONTUMACIOUS

ADJECTIVE archaiclaw
(especially of a defendant's behaviour) stubbornly or wilfully disobedient to authority. "his refusal to make child support payments was contumacious" synonyms: stubborn · headstrong · wilful · unyielding · inflexible · unbending · intransigent · intractable · obdurate · mulish · stubborn as a mule · pig-headed · bull-headed · self-willed · strong-minded · strong-willed · contrary · perverse · recalcitrant · refractory · uncooperative · unmanageable · cross-grained · stiff-necked · stiff · rigid · steely · iron-willed
antonyms: compliant · amenable · tractable
ORIGIN late 16th century: from Latincontumax, contumac- (perhaps from con-‘with’ + tumere‘to swell’) + -ious.