Synonyms of sell (out)

sell (out) 1 of 2

verb

as in to betray

to be unfaithful or disloyal to

the band sold out its faithful followers, abandoning its edgy style for a more commercial sound

Synonyms & Similar Words

• betray
• sell down the river
• stab in the back
• cross
• two-time
• give away
• go back on
• double-cross
• turn in
• tell (on)
• inform (on)
• backstab
• snitch (on)
• split (on)
• shop
• peach
• rat (on)

Antonyms & Near Antonyms

• protect
• stand by
• save
• defend
• safeguard
• guard
• shield

sellout

2 of 2

noun

ˈsel-ˌau̇t 

as in betrayal

the act or fact of violating the trust or confidence of another

the sellout makes it much harder for me to trust you ever again

Synonyms & Similar Words

• betrayal
• treachery
• treason
• deception
• perfidy
• abandonment
• backstabbing
• disloyalty
• falseness
• business
• double cross
• deceit
• infidelity
• falsity
• faithlessness
• unfaithfulness
• lying
• two-timing
• duplicity
• desertion
• fraud
• double-dealing
• informing
• trickery
• two-facedness
• guile
• talebearing
• snitching

Antonyms & Near Antonyms

• loyalty
• allegiance
• devotion
• fidelity
• faithfulness
• fealty
• reliability
• steadfastness
• protection
• defense
• dependability
• staunchness
• trustworthiness
• shield
• safeguard

Example Sentences

Recent Examples of sell (out)

Noun

Despite announcing new locations this year in six cities across the country, the AUSL notched 23 regular-season sellout crowds (25 including the AUSL Championship). — Allison Smith, Forbes.com, 10 Aug. 2026

It was decided in the 13th inning on a Caleb Durbin walk-off RBI single, which gave the Red Sox a 12-11 victory Thursday in front of a sellout crowd of 37,082 at Fenway Park. — Lamond Pope, Chicago Tribune, 7 Aug. 2026

Note, Imax auditoriums, which weren’t part of Brand New Day‘s opening suite, finally get to project the sequel in a co-share with Universal’s The Odyssey (which continues to have reported near-sellouts in major Imax markets into October). — Anthony D'alessandro, Deadline, 6 Aug. 2026

Inter Miami, which won the tournament in 2023 shortly after Messi’s arrival, reached the final again last year but was trounced 3-0 by the Seattle Sounders in front of a sellout crowd of 69,314. — Michelle Kaufman, Miami Herald, 6 Aug. 2026