Pertinacious

hardPositive tone

per-tih-NAY-shus

adjective

Definition

Holding firmly to an opinion or course of action; persistent

Memory hook

PER-TENACIOUS: thoroughly TENACIOUS — holding on with stubborn persistence.

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Word roots

perthoroughly(Latin)
tenaxholding fast(Latin)

Learning roots unlocks whole word families. Study common GRE root words.

Examples

The pertinacious lawyer refused to give up the case.
Her pertinacious pursuit of justice finally succeeded.

Test yourself

Fill in the blank with the right word:

The ______ lawyer refused to give up the case.
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pertinacious

Synonyms

Antonyms

irresoluteyieldingvacillatingfickle

Categories

View all Persistence words

GRE Tip

Pertinacious is a hard-difficulty GRE word. On the GRE, you might see it paired with synonyms like "tenacious" or "dogged" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "irresolute".

Read: How to Memorize GRE Words That Actually Stick

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