anti
n. எதிர்ப்பாளர், (பெ.) எதிரான, எதிர்ப்புச்செய்கிற.
An"ti. Etym: [Gr. Ante.] Defn: A prefix meaning against, opposite or opposed to, contrary, or in place of; -- used in composition in many English words. It is often shortened to ant-; as, antacid, antarctic.