obstinacy

ob·sti·na·cy  (bst-n-s)

n. pl. ob·sti·na·cies

1. The state or quality of being stubborn or refractory.

2. The act or an instance of being stubborn or refractory.

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obstinacy [ˈɒbstɪnəsɪ]

n pl -cies

1. the state or quality of being obstinate

2. an obstinate act, attitude, etc.

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Obstinacy of buffaloes: a herd—Hare, 1939.

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Obstinacy 

deaf as an adder Obstinate refusal to listen; stubborn unwillingness to pay attention. The origin of this phrase lies in ancient Oriental folklore. An adder was thought to protect itself against the music of a snake charmer by blocking one ear with its tail while pressing the other ear to the ground. This belief was mentioned in the Old Testament of the Bible:

They are like the deaf adder that stoppeth her ear
Which will not hearken to the voice of charmers, charming never so wisely.
(Psalms 58:4-5)

Thesaurus

Noun	1.	obstinacy - the trait of being difficult to handle or overcome mulishness, obstinance, stubbornness intractability, intractableness - the trait of being hard to influence or control
	2.	obstinacy - resolute adherence to your own ideas or desires bullheadedness, pigheadedness, self-will, stubbornness, obstinance firmness of purpose, resoluteness, resolve, firmness, resolution - the trait of being resolute; "his resoluteness carried him through the battle"; "it was his unshakeable resolution to finish the work" impenitence, impenitency - the trait of refusing to repent intransigence, intransigency - the trait of being intransigent; stubbornly refusing to compromise

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obstinacy

noun stubbornness, persistence, tenacity, perseverance, resolution, intransigence, firmness, single-mindedness, inflexibility, obduracy, doggedness, relentlessness, wilfulness, resoluteness, pig-headedness, pertinacity, tenaciousness, mulishness the obstinacy typical of his thoroughly awkward nature
flexibility, compliance, meekness, submissiveness, docility, cooperativeness, tractability

Quotations
"Obstinacy in a bad cause, is but constancy in a good" [Thomas Browne Religio Medici]

Translations

obstinacy [ˈɒbstɪnəsɪ] N [of person] → obstinación f, terquedad f; [of resistance] → tenacidad f; [of illness] → persistencia f

obstinacy [ˈɒbstɪnəsi] n → obstination f

obstinacy

n

(of person) → Hartnäckigkeit f, → Starrsinn m; his obstinacy in doing something → die Hartnäckigkeit, mit der er etw tut

(of illness, resistance) → Hartnäckigkeit f

obstinacy [ˈɒbstɪnəsɪ] n → ostinazione f