What is the meaning of Antidoping?

Proscribing or combating doping.

antidoping work (measures taken against doping as a whole)

antidoping, anti-doping (proscribing or combating doping)

doping, drug

dope test, drug test

antidoping (proscribing or combating doping in sports)

a test that determines whether an athlete has used performance-enhancing drugs

antidoping

drug test

Source: wiktionary.org