寄き生せい虫ちゅうきせいちゅうCommon wordFreq.FrequencyTop 20,000Meanings1nounparasiteRefers to a biological parasite that lives on or inside a host organism. Also used figuratively for a person who lives off others.猫ねこに寄き生せい虫ちゅうがついていることがある。Cats can sometimes have parasites.彼かれは親おやに寄き生せい虫ちゅうのように頼たよって