obdurate

Contumacious is a synonym of obdurate.

As adjectives the difference between contumacious and obdurate

is that contumacious is contemptuous of authority; willfully disobedient; rebellious while obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

Wilful is a related term of obdurate.

As adjectives the difference between wilful and obdurate

is that wilful is intentional; deliberate while obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

Arduous is a related term of obdurate.

In obsolete|lang=en terms the difference between arduous and obdurate

is that arduous is (obsolete) burning; ardent while obdurate is (obsolete) physically hardened, toughened.

As adjectives the difference between arduous and obdurate

is that arduous is needing or using up much energy; testing powers of endurance while obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

As adjectives the difference between indomitable and obdurate

is that indomitable is incapable of being subdued, overcome, or vanquished while obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

Flinty is a related term of obdurate.

As adjectives the difference between flinty and obdurate

is that flinty is resembling or containing flint while obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

Trying is a related term of obdurate.

As adjectives the difference between trying and obdurate

is that trying is difficult to endure; arduous while obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

As a verb trying

is .

As a noun trying

is (philosophy) the act by which one tries something; an attempt.

Difficult is a related term of obdurate.

As adjectives the difference between difficult and obdurate

is that difficult is hard, not easy, requiring much effort while obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

As a verb difficult

is (obsolete|transitive) to make difficult; to impede; to perplex.

Indurated is a related term of obdurate.

As a verb indurated

is (indurate).

As an adjective obdurate is

stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

As adjectives the difference between obdurate and renitent

is that obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent while renitent is resistant to physical pressure; unyielding.

As adjectives the difference between obdurate and docile

is that obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent while docile is yielding to control or supervision, direction, or management.