persist

persist (http://definr.com/persist)

     v 1: continue to exist; "These stories die hard" [syn: prevail,
           die hard, run, endure]
     2: be persistent, refuse to stop; "he persisted to call me
        every night"; "The child persisted and kept asking
        questions" [syn: persevere, hang in, hang on, {hold
        on}]
     3: stay behind; "The smell stayed in the room"; "The hostility
        remained long after they made up" [syn: remain, stay]