A "hadith" is a "saying". When used in the context of Islam, a hadith means "a report of what the Holy Prophet Muhammad said or did on a certain occasion".

Hadith is the sayings of the Prophet (May Allah's peace and Blessings be upon Him). Hadith may also be known as Sunnah, though sunnah has some differences, Hadith is part of the sunnah. There are two categories of Hadith:

  1. Hadith Qudsi
  2. Hadith Nabawi

Hadith Qudsi are the words of Allah in the words of the Prophet. Hadith Nabawi are the sayings of the Prophet himself. Ahadith have been collected by many, there are six major collections of Ahadith and they are:

  • Sahih Bukhari collected by Imam Bukhari
  • Sahih Muslim collected by Muslim b. al-Hajjaj
  • Al Muwatta' collected by Imam Malik
  • Sunan Abu Dawood, collected by Abu Dawood
  • Jami'ul Tirmidhi
  • Sunana Annasa'i

Some useful questions on Islam.SE regarding Hadith: