Alternative spelling of Antarctic

Any of several African mammals of the family Bovidae distinguished by hollow horns, which, unlike deer, they do not shed. / (US) The pronghorn, Antilocapra americana.

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.

A feeler organ on the head of an insect, crab, or other animal. [from 17th c.] / An apparatus to receive or transmit electromagnetic waves and convert respectively to or from an electrical signal.

A room before, or forming an entrance to, another; a waiting room.

Contending or acting against. / (biochemistry) Relating to an antagonist

Ancient or antiquated. / Extremely dated. / Pertaining or belonging to the time period prior to a great or destructive flood or deluge.

One who lived prior to Noah's Flood.

Of the time period prior to a war. / In the United States of America, of the period prior to the American Civil War, especially in reference to the culture of the southern states.

(transitive) To work against; to oppose (especially to incite reaction)