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 promisesI'll clean my room tomorrow—cross my heart.

Learn More about cross my heart

Statistics for cross my heart

Cite this Entry

“Cross my heart.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cross%20my%20heart. Accessed 21 Oct. 2020.

Comments on cross my heart

What made you want to look up cross my heart? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!