● [countable, uncountable] a deeply felt request for money, help or information that is needed immediately, especially one made by the police;
● [uncountable] a quality that makes somebody/something attractive or interesting
● [countable, uncountable] a formal request to a court or to somebody in authority for a judgement or a decision to be changed
● Ex: (1)to launch a TV appeal for donations to the charity. (2) The police made an appeal to the public to remain calm. (3) The Beatles have never really lost their appeal. (4)David's lawyer filed an appeal against the verdict.