go back on
phrase
1
as in back down
to break a promise or agreement
He went back on his decision to move to the west coast.
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2
as in rat (on)
to leave (a cause or party) often in order to take up another
She went back on the group and took up with a better-funded one.
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3
as in betray
to be unfaithful or disloyal to
She suspected that he had gone back on her during her time away.
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Cite this Entry
“Go back on.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/go%20back%20on. Accessed 2 Sep. 2026.
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Merriam-Webster unabridged
