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Obdurate Obdurare Noun Adjective Latin Obduratus Past Participle

Title obdurate
Text
Merriam-Webster's Collegiate Dictionary
ob·du·rate
\\ˈäb-də-rət, -dyə-; äb-ˈdu̇r-ət, əb-, -ˈdyu̇r-\\ adjective
 ETYMOLOGY  Middle English, from Latin obduratus, past participle of obdurare to harden, from ob- against + durus hard — more at
during
 DATE  15th century
1.
  a. stubbornly persistent in wrongdoing
  b. hardened in feelings
2. resistant to persuasion or softening influences
Synonyms: see
inflexible

ob·du·rate·ly adverb
ob·du·rate·ness noun
English Etymology
obdurate
  mid-15c., from L. obduratus "hardened," pp. of obdurare "harden," from ob "against" + durare "harden, render hard," from durus "hard" (see endure).
Oxford Advanced Learner's Dictionary-牛津双解-OALD7
obdurate
ob·dur·ate / 5CbdjErEt; NAmE 5B:bdEr- / adjective   (formal, usually disapproving)refusing to change your mind or your actions in any way
   顽固的;固执的;执拗的
   SYN 
stubborn

ob·dur·acy / 5CbdjErEsi; NAmE 5B:bdEr- / noun [U]
ob·dur·ate·ly adv.
Webster's Third New International Dictionary, Unabridged
ob·du·rate
I. \-rə̇t, usu -ə̇d.+V\ adjective
Etymology: Middle English obdurat, from Latin obduratus, past participle of obdurare to harden, from ob- toward, over + durare to harden — more at
ob-
,
dure

1.
 a. : hardened in feelings especially against moral or mollifying influences : stubbornly persistent in wrongdoing
  < that obdurate old sinner >
 b. : resistant to persuasion or softening influences :
inflexible
,
unyielding

  < obdurate in his determination >
  < remaining obdurate to her husband's advances — Edith Wharton >
2. : hard and resistant :
harsh
,
rugged
,
rough

 < wringing a livelihood from that obdurate soil >
ob·du·rate·ly adverb
ob·du·rate·ness noun -es
II. \-ˌrāt, usu -ād.+V\ transitive verb
(-ed/-ing/-s)
Etymology: Latin obduratus, past participle of obdurare to harden
: to make obdurate; especially : to make stubbornly persistent in ill-doing
ob·du·ra·tion \ˌäbd(y)əˈrāshən\ noun -s

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