tergiversate
verb (used without object)
to change repeatedly one's attitude or opinions with respect to a cause, subject, etc.; equivocate.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But enough of this miserable tergiversator, who ought indeed either to have been of more truth, or less trusted by his country.*
From Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson, Volume 3 by Thomas Jefferson Randolph