Usually means: Persistent adherence to an opinion.
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We found 10 dictionaries that define the word pertinaciousness:

General (9 matching dictionaries)
  1. pertinaciousness: Merriam-Webster
  2. pertinaciousness: Oxford Learner's Dictionaries
  3. pertinaciousness: Collins English Dictionary
  4. pertinaciousness: Wordnik
  5. pertinaciousness: Wiktionary
  6. pertinaciousness: Dictionary.com
  7. pertinaciousness: Webster's 1828 Dictionary
  8. pertinaciousness: FreeDictionary.org
  9. pertinaciousness: TheFreeDictionary.com

Business (1 matching dictionary)
  1. pertinaciousness: Legal dictionary

(Note: See pertinacious as well.)

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Definitions from Wiktionary (pertinaciousness)

▸ noun:  The state or characteristic of being pertinacious.

Similar:
pertinacy, tenacity, tenaciousness, persistence, persistency, perseveringness, perseverativeness, tenacy, persistance, doggedness, more...

Opposite:
inconstancy, inconsistency, indecisiveness

▸ Words similar to pertinaciousness

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▸ Rhymes of pertinaciousness

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Similar:
pertinacy, tenacity, tenaciousness, persistence, persistency, perseveringness, perseverativeness, tenacy, persistance, doggedness, more...

Opposite:
inconstancy, inconsistency, indecisiveness



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