ADU or Adu may refer to:
Adult Swim is a programming block of the American cable network Cartoon Network that operates at night from 8:00 p.m.
Adultery (anglicised from Latin adulterium) is extramarital sex that is considered objectionable on social, religious, moral, or legal grounds.
Adult contemporary music (AC) is a form of radio-played popular music, ranging from 1960s vocal and 1970s soft rock music to predominantly ballad-heavy music of the present day, with varying degrees of easy listening, pop, soul, rhythm and blues, quiet storm, and rock influence.
Adult stem cells are undifferentiated cells, found throughout the body after development, that multiply by cell division to replenish dying cells and regenerate damaged tissues.
Ali Ahmad Said Esber (Arabic: علي أحمد سعيد إسبر, romanised: ʿAlī Aḥmad Saʿīd Aṣbar, born 1 January 1930), also known by the pen name Adonis or Adunis (Arabic: أدونيس, Adūnīs), is a Syrian poet, essayist and translator who is considered one of the most influential and dominant Arab poets of the modern era.
Neurogenesis is the process of birth of neurons wherein neurons are generated from neural stem cells. Contrary to popular belief, neurogenesis continuously occurs in specific regions in the adult brain.
Adult attention deficit hyperactivity disorder (also referred to as adult ADHD, adult with ADHD, or simply ADHD in adults, formerly AADD) is the neurobiological condition of attention deficit hyperactivity disorder (ADHD) in adults.
Adult development encompasses the changes that occur in biological, psychological, and interphonal domains of human life from the end of adolescence until the end of one's life.
Adult animation or mature animation is a genre of animation geared towards adults and sometimes also teenagers, acting as a contrast to most animated films and TV series being aimed at children.