パラサイトシングル

noun

parasite single

A wasei-eigo term for an unmarried adult who lives with their parents and relies on them for housing and often other support, despite having a sufficient income to live independently. Often carries a mildly critical or sociological tone.

wasei-eigo (Japanese-coined English), from parasite single

• 最さい近きん、パラサイトシングルが増ふえていると言いわれている。

  It is said that the number of parasite singles has been increasing recently.

• 彼かれは30歳さいを過すぎても実じっ家かに住すむパラサイトシングルだ。

  He is a parasite single who still lives with his parents even though he's over 30.