Kapu is the ancient Hawaiian code of conduct of laws and regulations. The kapu system was universal in lifestyle, gender roles, politics and religion. An offense that was kapu was often a capital offense, but also often denoted a threat to spiritual power, or theft of mana. Kapus were strictly enforced. Breaking one, even unintentionally, often meant immediate death,[1] Koʻo kapu. It is related to the concept of tapu or tabu found in other Polynesian cultures, from whence came the English word "taboo." The Hawaiian word kapu is usually translated to English as "forbidden", though it also carries the meanings of "keep out", "no trespassing", "sacred", "consecrated", or "holy".
The opposite of kapu is noa, meaning "common" or "free".