蔓延る はびこる Also written 蔓る Meanings Godan verb, Intransitive to become overgrown; to grow thick to spread; to run rampant; to thrive; to prevail; to become powerful Kanji 蔓 vine; tendril; influence 延 prolong Example sentences 大都会には罪悪がはびこっている。There is a lot of crime in big cities. Jinuma: Japanese Dictionary · Word lists