Noun
1. an unquestionable truth;
"his word was gospel"2. a genre of a capella music originating with Black slaves in the United States and featuring call and response; influential on the development of other genres of popular music (especially soul)
3. the written body of teachings of a religious group that are generally accepted by that group
4. a doctrine that is believed to be of great importance;
"Newton's writings were gospel for those who followed"