Definition

Adverb: * In a persistent, stubborn, or tenacious manner; holding firmly to a purpose, action, or opinion despite difficulty or opposition.

Usage

This adverb describes the manner in which an action is performed. It is used to emphasize unwavering persistence, often to the point of being stubborn or obstinate. It modifies verbs.

Examples

• He pertinaciously defended his theory against all criticism.
• The lawyer pertinaciously pursued every legal avenue for her client.
• She pertinaciously refused to change her mind, even when presented with new evidence.

Advanced Usage

• "to cling pertinaciously to": To hold onto something (an idea, belief, or object) with extreme stubbornness.
  • The old general clung pertinaciously to outdated military tactics.

Variants and Related Words

• Pertinacious (adjective): Describing a person or their behavior as very persistent and stubborn.
  • He was a pertinacious investigator who never gave up on a case.
• Pertinacity (noun): The quality of being pertinacious; stubborn persistence.
  • Her pertinacity eventually led to the discovery of the truth.

Synonyms

• Doggedly
• Tenaciously
• Stubbornly
• Obstinately
• Persistently
• Determinedly

Antonyms

• Yieldingly
• Flexibly
• Amenably
• Indifferently

Adverb

1. in a dogged and pertinacious manner
   • he struggled pertinaciously for the new resolution