The most relevant definition (i.e. the only one that states anything about evidence) from your link seems to agree: > 2.b. firm belief in something for which t

The most relevant definition (i.e. the only one that states anything about evidence) from your link seems to agree: > 2.b. firm belief in something for which there is no proof With respect to the Christian Bible reference, I don't read it as saying there's no evidence for what they believe; I think you'd have a hard time finding a Christian who does.