Any person, group, or thing that opposes
An opponent, especially an opposing attorney or party in an action. An opponent, especially an opposing attorney or party in an action.
A drug or chemical substance that interferes with the physiological action of another, especially by combining with and blocking its nerve receptor.
One who is hostile to an idea or cause:
Find another word for opposer. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for opposer, like: opposition, oppositionist, resister, resist, support, adversary, antagonist and opponent.