- 1A person who actively opposes or is hostile to someone or something; an adversary: he turned to confront his antagonistMore example sentences
- Most of these countries, of course, are traditional adversaries or antagonists.
- It also means that copyright gives no one the exclusive right to tell stories about archaeologists in search of artifacts hidden in snake-infested caves while simultaneously confronting dangerous human antagonists.
- They wander off on their own, they blow up a poacher's shack for no apparent reason, and they attempt to confront their wily antagonists head on.
- 1.1 Biochemistry A substance that interferes with or inhibits the physiological action of another. Compare with agonist.More example sentences
- Progress has been made in the development of new anti-emetic drugs, particularly the serotonin antagonists which are potent inhibitors of chemotherapy-induced vomiting.
- It is also an effective antagonist or inhibitor of cortisol, a stress hormone that maintains the integrity of the circulatory system.
- The use of selective serotonin antagonists for early-onset alcohol dependence also has been investigated, with positive results.
- 1.2 Anatomy A muscle whose action counteracts that of another specified muscle. Compare with agonist.More example sentences
- The anterior tibialis muscle was chosen because of its function as an antagonist to the peroneal muscles.
- This can be studied by transposing the innervation of a muscle to its antagonist, or by transposing one of its tendons to the opposite side of a joint, such that the mechanical action of the muscle is reversed.
- Moving through a complete range of motion will strengthen the agonist and stretch the antagonist muscle.
late 16th century: from French antagoniste or late Latin antagonista, from Greek antagōnistēs, from antagōnizesthai 'struggle against' (see antagonize).