Zack is a diminutive form of the Hebrew name Zachariah, meaning 'God remembers' or 'Jehovah is my portion'. It has been used as a given name since the Middle Ages.
In Jewish tradition, Zachariah was the father of John the Baptist and a prophet in the Old Testament. The name Zack is often associated with confidence, boldness, and enthusiasm.
People named Zack are typically known for their energy, optimism, and strong sense of adventure, which can sometimes be misinterpreted as impulsiveness or recklessness.
Zack remains a popular given name in many English-speaking countries, particularly among parents seeking a modern, informal take on traditional names like Zachariah.