persistent

Definition

Obstinately refusing to give up or let go.

Etymology

From Latin persistentem, present participle of persistō (“continue steadfastly”). By surface analysis, persist + -ent.

Example Sentences

• "She has had a persistent cough for weeks."
• "The most persistent tormentor was Alex Oxlade-Chamberlain, who scored a hat-trick in last month’s corresponding fixture in Iceland. His ability to run at defences is instantly striking, but it is his clever use of possession that has persuaded some shrewd judges that he is an even better prospect than Theo Walcott."
• "There was a persistent knocking on the door."

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