Godan verb with 'ru' ending, Transitive verb
to shake off; to shake free from
囚人は連行していた看守の手を振り切って脱走した。The prisoner broke away from the guards who were holding him. to swing completely (bat, club, etc.); to take a full swing
to break off from (pursuer); to pull away
to reject (request); to ignore
Also written 振切る【ふりきる】