agonist
Translation
agonist, proponent, protagonist
Examples
This drug is a dopamine agonist.
This drug is a dopamine agonist.
He was a key agonist for the new policy.
He was a key agonist for the new policy.
Grammar Patterns
a/an ((receptor type)) agonist a chemical that produces a response in the body. This drug is a dopamine agonist.
an agonist for ((sth.)) a person who supports an idea or cause. He was a key agonist for the new policy.
Similar Words
Synonyms (proponent): advocate, champion, supporter; Antonyms: antagonist, opponent
Etymology
From Greek 'agōnistēs', meaning 'a contestant, champion'. Related to 'agōn' (a contest).
Memory Tips
An 'agonist' is someone in the 'agony' or struggle for a cause. In medicine, it's a substance that causes an action. The opposite is an 'antagonist' (anti- = against).