Adjective

(en adjective)

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

* Hooker

The very custom of evil makes the heart obdurate against whatsoever instructions to the contrary.

* Shakespeare

Art thou obdurate , flinty, hard as steel, / Nay, more than flint, for stone at rain relenteth?

* 1818 , ,"The Revolt of Islam", canto 4, stanza 9, lines 1486-7:

But custom maketh blind and obdurate

The loftiest hearts.

* {{quote-news

, year=2011 , date=February 12 , author=Les Roopanarine , title=Birmingham 1 - 0 Stoke , work=BBC citation , page= , passage=An injury-time goal from Nikola Zigic against an obdurate Stoke side gave Birmingham back-to back Premier League wins for the first time in 14 months.}}

(obsolete) Physically hardened, toughened.

Adjective

(er)

(of a sound) Of great intensity.

*

, title=(The Celebrity), chapter=4 , passage=Mr. Cooke at once began a tirade against the residents of Asquith for permitting a sandy and generally disgraceful condition of the roads. So roundly did he vituperate the inn management in particular, and with such a loud flow of words, that I trembled lest he should be heard on the veranda.}}

Noisy.

* Bible, Proverbs vii. 11

She is loud and stubborn.

Not subtle or reserved, brash.

Having unpleasantly and tastelessly contrasting colours or patterns; gaudy.