- hostility: a state of deep-seated ill-will
- the relation between opposing principles or forces or factors; "the inherent antagonism of capitalism and socialism"
- an actively expressed feeling of dislike and hostility
- (biochemistry) interference in or inhibition of the physiological action of a chemical substance by another having a similar structure
- (antagonist) adversary: someone who offers opposition
- (antagonist) a muscle that relaxes while another contracts; "when bending the elbow the triceps are the antagonist"
- In chemistry, antagonism is a phenomenon where two or more agents in combination have an overall effect which is less than the sum of their individual effects.
- In phytopathology, antagonism refers to the action of any organism that suppress or interfere the normal growth and activity of a plant pathogen, such as bacteria or fungi.
- An antagonist (from Greek ἀνταγωνιστής - antagonistes, "opponent, competitor, rival") is a character, group of characters, or an institution, that represents the opposition against which the protagonist must contend. ...
- (Antagonist (band)) Antagonist A.D. are a New Zealand metalcore band, originally formed in Hamilton, later relocating to Auckland.
- (Antagonist (medical)) A receptor antagonist is a type of receptor ligand or drug that does not provoke a biological response itself upon binding to a receptor, but blocks or dampens agonist-mediated responses."." GlaxoWellcome. Retrieved on December 6, 2007. ...
- A strong natural dislike or hatred; antipathy
- (antagonize) To work against; oppose; especially to incite reaction
- (Antagonist) (1) A drug that blocks a receptor, preventing stimulation. (2) A muscle whose contraction opposes an intended movement.
- (antagonist) A substance capable of binding to a molecular target to neutralise or counteract a reaction.
- (Antagonist) a compound that blocks or inhibits the action of a neurotransmitter on a synapse.
- (Antagonist) a compound that will bind to a receptor to form a complex which does not give rise to any response, as if the receptor were unoccupied.
- (antagonist) In medicine, a substance that stops the action or effect of another substance. For example, a drug that blocks the stimulating effect of estrogen on a tumor cell is called an estrogen receptor antagonist.
- (Antagonist) A drug or other molecule that blocks receptors. Antagonists inhibit the effects of agonists.
- (antagonist) the opposing muscle in a contraction, located on the opposite side of the joint.
- Blocker; an antagonist at a given receptor blocks or lowers the activity of that receptor.
- (Antagonist) A drug that prevents certain types of cellular reactions by blocking other substances from binding to a cells receptor.
- (Antagonist) The person or thing opposing the protagonist or hero of the story. When this is a person, he or she is usually called the villain.
- (Antagonist) A molecule that blocks the ability of a given chemical to bind to its receptor, preventing a biological response.
- (ANTAGONIST) a structure that opposes or counteracts another structure.