cross my heart

idiom
variants: or cross my heart and hope to die

Definition of cross my heart

informal
used to stress that one is telling the truth and will do what he or she promises I'll clean my room tomorrow—cross my heart.

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cross multiply

cross my heart

cross-national

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Cite this Entry

“Cross my heart.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cross%20my%20heart. Accessed 23 Sep. 2021.

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