obdurate

hardened and unrepenting stubborn inflexible 
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Obdurate

Ob'du·rate adjective [ Latin obduratus , past participle of obdurare to harden; ob (see Ob-)+ durare to harden, durus hard. See Dure .] 1. Hardened in feelings, esp. against moral or mollifying influences; unyielding; hard-hearted; stubbornly wicked....
Found on http://www.encyclo.co.uk/webster/O/1

Obdurate

Ob'du·rate transitive verb To harden. [ Obsolete]
Found on http://www.encyclo.co.uk/webster/O/1

obdurate

1. Hardened in feelings, especially. Against moral or mollifying influences; unyielding; hard-hearted; stubbornly wicked. 'The very custom of evil makes the heart obdurate against whatsoever instructions to the contrary.' (Hooker) 'Art thou obdurate, flinty, hard as steel, Nay, more than flint, for stone at rain relenteth?' (Shak) ... 2. Hard; hars...
Found on http://www.encyclo.co.uk/local/20973

Obdurate

• (a.) Hard; harsh; rugged; rough; intractable. • (a.) Hardened in feelings, esp. against moral or mollifying influences; unyielding; hard-hearted; stubbornly wicked. • (v. t.) To harden.
Found on http://thinkexist.com/dictionary/meaning/obdurate/

obdurate

obdurate 1. Stubborn or unyielding; obstinate: 'She responded with an obdurate refusal to do her work.' 2. Hardened in feelings or heart; not repentant: 'He was an obdurate criminal.'
Found on http://www.wordinfo.info/words/index/info/view_unit/3417/

Obdurate

HMS Obdurate was a British Onslow Class destroyer of 1540 tons displacement launched in 1942. HMS Obdurate was powered by two Admiralty 3-drum type boilers providing a top speed of 34 knots. She was armed with four 4.7 inch guns; four 2 pdr pom-pom guns; eight 20 mm anti-aircraft guns and eight 21 inch torpedo tubes.
Found on http://www.probertencyclopaedia.com/browse/RO.HTM

obdurate

stubbornly persistent in wrongdoing
Found on https://www.vocabulary.com/lists/388732

obdurate

stubbornly persistent in wrongdoing
Found on https://www.vocabulary.com/lists/52102

obdurate

showing unfeeling resistance to tender feelings
Found on https://www.vocabulary.com/lists/151465
No exact match found