What is another word for crossing heart?
Pronunciation: [kɹˈɒsɪŋ hˈɑːt] (IPA) 
The phrase "crossing heart" is often used to indicate a promise or vow that one makes. However, there are several synonyms that can be used in various situations to convey a similar meaning. "Swear on my life" or "I swear on my honor" show a willingness to stake one's own well-being on the truth of their words. "Pinky swear" is a playful variation where the pinky fingers of two people are intertwined as a sign of trust. Some other synonyms include "pledge," "commit," or "vow." Ultimately, the goal is to convey a strong level of sincerity and honesty in one's words, regardless of the phrase used.
