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

There were 68,827-plus souls — a fire hazard of a sellout — stuffed into the concrete oven temporarily known as Levi’s Stadium. — Dieter Kurtenbach, Mercury News, 2 July 2026

All three games of series were sellouts — a testament to the fandom of the two-time defending World Series champions and the team’s international baseball star, Ohtani. — Mathew Miranda, Sacbee.com, 2 July 2026

The four games have averaged 68,770 with Argentina-Algeria and Algeria-Austria called sellouts. — Blair Kerkhoff, Kansas City Star, 1 July 2026

After halftime, came an embarrassing nail in the coffin that silenced the Seattle sellout crowd for good — a 57th minute roll-in by Hans Vanaken after a slip-up by goalkeeper Matt Freese outside of the penalty area left the goal unguarded. — Becky Sullivan, NPR, 6 July 2026