'Spiritual' in the Bible

“Then [in the final time] I will give you [spiritual] shepherds after My own heart, who will feed you with knowledge and [true] understanding.

“Why should I [overlook these offenses and] forgive you?Your children have abandoned (rejected) MeAnd sworn [their oaths] by those who are not gods.When I had fed them until they were full [and bound them to Me by a promise],They committed [spiritual] adultery,Assembling in troops at the houses of prostitutes (idols).