Definition

Being very determined and unwilling to change your mind or give up on something.

Example

Despite many challenges, her pertinacious spirit helped her achieve her goals.

Conversation

I really admire how pertinacious you are about your goals.

Thanks! I believe that sticking to something is the key to success.

Sometimes I wish I could be as pertinacious as you are with your projects.

You can be! Just remember to stay focused and keep pushing forward.

Synonyms & Antonyms

Root Explanation

Pertinacious → It is formed from "pertinax" (from Latin, meaning holding firmly) and the suffix "-ious" (meaning characterized by). The word "pertinacious" describes someone who is characterized by holding firmly to a purpose or opinion.

Memory Tip

Think of someone who is 'holding firmly' ('pertinax') to their beliefs — that's why they are described as pertinacious.

Visually Confused Words