noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The state or characteristic of being pertinacious. uncountable

   "I had too much experience of my father's pertinaciousness ever to hope for a change in his views."

Synonyms

All synonyms

applicationassiduityconcentrationconstancydiligenceendurance

Example

More examples

"I had too much experience of my father's pertinaciousness ever to hope for a change in his views."

Etymology

From pertinacious + -ness.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.