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

The game wasn’t a sellout, so it wasn’t shown on local television in Kansas City. — Pete Grathoff, Kansas City Star, 3 Sep. 2026

Despite the comfortable five-run lead, Walker put the sellout crowd on edge by allowing a pair of back-to-back singles. — Justice Delos Santos, Mercury News, 28 Aug. 2026

That was down from more than 39,000 fans per game in 2024, when the home schedule featured premium games against Miami and Stanford that drew sellouts of 52,428. — CBS News, 27 Aug. 2026

As the team has heated up, fans have responded as well– with a near-sellout crowd packing Trinity Health Stadium to watch Hartford beat Miami FC, 2-1 last time out. — Kels Dayton, Hartford Courant, 27 Aug. 2026