cross my heart

idiom

variants or cross my heart and hope to die
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.

Dictionary Entries Near cross my heart

cross multiply

cross my heart

cross-national

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“Cross my heart.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cross%20my%20heart. Accessed 29 Nov. 2024.

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