Flooding has been a 'persistent' problem in the area this year.
He is one of the government's most 'persistent' critics.
He has been fighting a 'persistent' cold/infection.
(..) May I have this cruise? - Of course, Mater. - Uh-uh-uh! ...and again and I said, "No." He asked me again, and I said, "No." But, oh, he was a persistent little bugger for a two-cylinder. Finally I said, "All right, one little drive." - Oh! - Hey! (..)2006 Cars