<pharmacology> A substance that stops or suppresses the activity of a retrovirus such as HIV. AZT, ddC, ddI and d4T are examples of antiretroviral drugs. ... (09 Oct 1997) ... 
(an″te-) (an″ti-ret´ro-vi″rәl) effective against retroviruses. an agent with this quality.
a drug that suppresses the activity or replication of retroviruses. Different types of antiretroviral drugs (e.g., reverse transcriptase inhibitors, protease inhibitors) interfere with various stages of the virus life cycle.
Antiretroviral: An agent or process effective against a retrovirus. For example, a drug to treat HIV.
A substance, drug, or process that destroys a retrovirus, or suppresses it's replication. Often used to describe a drug active against HIV