Godan verb with 'ru' ending, Intransitive verb
to flutter (in the wind); to wave; to flap; to fly
ポニーテールが翻って思わず見とれる仕草だ。The way she flips her ponytail will charm you before you realise it. to turn over; to flip over
to suddenly change (attitude, opinion, etc.); to suddenly switch; to alter; to flip
Also written 飜る【ひるがえる】