Defn: To contend with; to oppose actively; to counteract.

ANTAGONIZE
An*tag"o*nize, v. i.

Defn: To act in opposition.

ANTAGONY
An*tag"o*ny, n. Etym: [Gr. antagonie. See Antagonism.]

Defn: Contest; opposition; antagonism. [Obs.]
Antagony that is between Christ and Belial. Milton.

ANTALGIC
An*tal"gic, a. Etym: [Pref. anti- + Gr. antalgique.] (Med.)

Defn: Alleviating pain.
— n.

Defn: A medicine to alleviate pain; an anodyne. [R.]

ANTALKALI; ANTALKALINE
Ant*al"ka*li, Ant*al"ka*line, n. Etym: [Pref. anti- + alkali.]

Defn: Anything that neutralizes, or that counteracts an alkaline tendency in the system. Hoopplw.