Thesaurus
alter ego
noun
Synonyms and Antonyms of ALTER EGO
1
a person who has a strong liking for and trust in another <over the years the state's other senator became his alter ego as well as his political ally>
Synonyms alter ego, amigo, buddy, chum, compadre, comrade, confidant, confidante, crony, familiar, intimate, mate [chiefly British], musketeer, pal
Related Words acquaintance; associate, cohort, colleague, companion, fellow, hearty, hobnobber, partner, peer, sport; blood brother, brother, main man, sister; abettor (also abetter), accomplice, ally, collaborator, confederate; pen pal; benefactor, supporter, sympathizer, well-wisher; friendly
2
something or someone that strongly resembles another <the hero of the novel is clearly the author's alter ego, right down to his receding hairline and middle-aged paunch>
Synonyms alter ego, carbon, carbon copy, clone, counterpart, doppelgänger (or doppelganger), double, duplicate, duplication, facsimile, fetch, likeness, look-alike, match, mirror image, picture, replica, ringer, spit, spitting image, twin
Seen & Heard
What made you want to look up alter ego? Please tell us where you read or heard it (including the quote, if possible).