But apparently, he wasn’t.
The Eckhart Society has posted a page which tells the story of his relationship to the doctrinal authorities of the Roman Catholic Church, from his times to our times. Recent attempts to rehabilitate Eckhart have been considered unnecessary because only a small part of Eckhart’s writings were officially censured. Catholic authorities never ruled Eckhart to be a heretic.
Here’s a interesting quotation from Eckhart, which is posted on a page of the man’s quotations:
“Do not imagine that your reason can grow to the knowledge of God.”