nagged

Finally, she asked the question that had nagged at her since Mother told her about the fire.

Mrs. Cranston nagged Mr. Cranston until he had one of the new telephones installed under the front staircase, where it rang its head off.

But the question of what exactly the brief exchange was all about nagged at me for the rest of the day.

In the first weeks of the war between Israel and Hamas, Nancy Andrews read about American college presidents under fire and something nagged at her.

These arguably hairsplitting thoughts nagged at me thanks to my job as a congressional correspondent focused on federal spending.