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syn·er·gist -jəst n
1) an agent that increases the effectiveness of another agent when combined with it esp a drug that acts in synergism with another
2) an organ (as a muscle) that acts in concert with another to enhance its effect compare AGONIST (1), ANTAGONIST (a)
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n.
1. a drug that interacts with another to produce increased activity, which is greater than the sum of the effects of the two drugs given separately. Some synergists may have dangerous effects, as when MAO inhibitors enhance the effects of antihistamine and anticholinergic drugs.
2. a muscle that acts with an agonist in making a particular movement.
• synergism n.
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syn·er·gist (sinґər-jist) 1. a medicine that aids or cooperates with another; an adjuvant. 2. an organ that acts in concert with another. 3. a synergistic muscle.Medical dictionary. 2011.