Alias: Is an American spy action thriller

Alias is an American spy action thriller television series created by J. J. Abrams that aired on ABC from 2001 to 2006. It stars Jennifer Garner as Sydney Bristow, a double agent for the CIA who poses as an operative for SD-6, a criminal organization. ALIAS definition: 1. used when giving the name that a person is generally known by, after giving their real name: 2…. Learn more. Definition of alias noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Alias definition: a false name used to conceal one's identity; an assumed name.. See examples of ALIAS used in a sentence.