Intractable and Pertinacious

Intractable

Intractable adjective - Given to resisting authority or another's control.
Usage example: an intractable child who deliberately does the opposite of whatever he is told

Pertinacious is a synonym for intractable in stubborn topic. In some cases you can use "Pertinacious" instead an adjective "Intractable", when it comes to topics like tenacious, difficult.

Nearby Words: intractability, intractably

Pertinacious

Pertinacious adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Usage example: a pertinacious salesman who would simply not take “No!” for an answer

Intractable is a synonym for pertinacious in determined topic. Sometimes you can use "Intractable" instead an adjective "Pertinacious", if it concerns topics such as stubborn, tenacious.

Nearby Word: pertinacity
Cite this Source
Pertinacious and Intractable. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/intractable/pertinacious
Intractable & Pertinacious. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/intractable/pertinacious>.
Pertinacious or Intractable. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/intractable/pertinacious.
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