Adverbs for Headstrong

inveterately; habitually; dreadfully; frightfully; inherently; incorrigibly; hopelessly; invincibly; sturdily; extremely; stubbornly; wilfully; indomitably; doggedly; obdurately; obstinately; absurdly; ridiculously; unreasonably; violently; untractably; cantankerously; unmanageably; ungovernably; uncontrollably; persistently.