Science / Psychiatry / Antagonist: Medication, hormone, or neurotransmitter that binds to a receptor and prevents a response.

Other Words for Antagonist

Antagonist Noun Synonyms: adversary, opponent, enemy, foe, contender, competitor, competition, opposition

Antagonistic Effect

Health / Disease / Antagonistic Effect: A biologic response to exposure to multiple substances that is less than would be expected if the known effects of the individual substances were added together [compare with additive effect and syner MORE

Antagonistic Muscles

Science / Biology / Antagonistic Muscles: A pair of muscles that work to produce opposite effects&emdash;one contracts as the other relaxes: for example, the bicep and tricep muscles on opposite sides of your upper arm. MORE

Serotonin-Dopamine Antagonists (Sdas)

Science / Psychiatry / Serotonin-Dopamine Antagonists (Sdas): (ser-o-to-nin do-pah-meen an-tag-o-nists) Also known as atypical antipsychotics. Unlike their predecessors, this newer class of medications treats both the positive and negative symptoms of schizophre MORE


Entertainment / Literature / Closure: (Latin clausura, 'a closing') Closure has two common meanings. First, it means a sense of completion or finality at the conclusion of play or narrative work--especially a feeling in the audience that MORE


Entertainment / Literature / Conflict: The opposition between two characters (such as a protagonist and an antagonist), between two large groups of people, or between the protagonist and a larger problem such as forces of nature, ideas, pu MORE


Entertainment / Literature / Western: A literary and cinematic genre marked by numerous conventions. The usual setting is a short main street in a dust-blown frontier village of the American west during the 1800s. Traditionally, the prota MORE