Synonyms of alter ego

alter ego

noun

ˌȯl-tər-ˈē-(ˌ)gō 

1

as in friend

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 & Similar Words

• friend
• buddy
• familiar
• intimate
• confidant
• pal
• sister
• chum
• colleague
• musketeer
• confidante
• comrade
• compadre
• partner
• crony
• brother
• acquaintance
• mate
• amigo
• blood brother
• associate
• companion
• pen pal
• peer
• hobnobber
• main man
• hearty
• ally
• accomplice
• cohort
• fellow
• collaborator
• sport
• benefactor
• supporter
• friendly
• sympathizer
• abettor
• confederate
• well-wisher

Antonyms & Near Antonyms

• enemy
• foe
• competitor
• opponent
• adversary
• antagonist
• rival
• nemesis
• archenemy

2

as in image

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 & Similar Words

• image
• twin
• picture
• replica
• clone
• duplicate
• portrait
• mirror image
• carbon copy
• equivalent
• counterpart
• double
• duplication
• carbon
• spitting image
• fetch
• likeness
• spit
• facsimile
• match
• ringer
• portrayal
• doppelgänger
• look-alike
• companion
• effigy
• fellow
• parallel
• mate
• analogue
• equal

Antonyms & Near Antonyms

• reverse
• opposite
• converse
• antithesis

Example Sentences

Recent Examples of alter ego

Norman Cook’s dancefloor alter ego will visit these parts in March 2027 for seven tour dates across Fremantle, Sydney, Brisbane and Melbourne. — Lars Brandle, Billboard, 10 Sep. 2026

Ferxxo, the musician’s alter ego, explores the streets of Japan in the final chapter for the persona. — Tanya Fedak, Variety, 8 Sep. 2026

Ephron’s narrator and alter ego, Rachel Samstat, writes cookbooks and hosts a TV show. — Hannah Goldfield, New Yorker, 7 Sep. 2026

This is her real alter ego, not playing Cowgirl Barbie with Kyle. — Ile-Ife Okantah, Vulture, 7 Sep. 2026