What is another word for blocking agent?
Pronunciation: [blˈɒkɪŋ ˈe͡ɪd͡ʒənt] (IPA) 
A blocking agent is often used to refer to a substance or medication that inhibits or hinders a specific function in the body. There are numerous synonyms for the term "blocking agent" such as antagonist, inhibitor, blocker, obstructive, impediment, hindrance, deterrent and obstacle. These synonyms are often used interchangeably, and depending on the context, the most appropriate term is used to describe a substance that is used to block a specific biological or chemical activity. Regardless of the term used, the underlying purpose is to prevent or reduce an unwanted or detrimental effect, and blocking agents can be found in a wide range of medications and medical treatments.
