ANTAGONIST
antagonist
(noun) a drug that neutralizes or counteracts the effects of another drug
antagonist
(noun) a muscle that relaxes while another contracts; “when bending the elbow the triceps are the antagonist”
adversary, antagonist, opponent, opposer, resister
(noun) someone who offers opposition
Source: WordNet® 3.1
Etymology
Noun
antagonist (plural antagonists)
An opponent or enemy.
One who antagonizes or stirs.
(biochemistry) A chemical that binds to a receptor but does not produce a physiological response, blocking the action of agonist chemicals.
(anatomy) A muscle that acts in opposition to another.
Antonyms
• protagonist
• agonist (biochemistry)
Anagrams
• stagnation
Source: Wiktionary
An*tag"o*nist, n. Etym: [L. antagonista, Gr. antagoniste. See
Antagonism.]
1. One who contends with another, especially in combat; an adversary;
an opponent.
Antagonist of Heaven's Almigthy King. Milton.
Our antagonists in these controversies. Hooker.
2. (Anat.)
Definition: A muscle which acts in opposition to another; as a flexor,
which bends a part, is the antagonist of an extensor, which extends
it.
3. (Med.)
Definition: A medicine which opposes the action of another medicine or of a
poison when absorbed into the blood or tissues.
Syn.
– Adversary; enemy; opponent; toe; competitor. See Adversary.
An*tag"o*nist, a.
Definition: Antagonistic; opposing; counteracting; as, antagonist schools
of philosophy.
Source: Webster’s Unabridged Dictionary 1913 Edition