Home › Words › U › unassertunassertunassert means to take back a previous assertion; to recant something.EtymologyFrom un- + assert.verbTo take back a previous assertion; to recant something.e.g.“10 June, 1839, Thomas Carlyle, Sinking of the Vengeur I, having once been led to assert the fable, hold myself bound, on all fit occasions, to unassert' it with equal emphasis.”Definitions & examples from Wiktionary (CC BY-SA 3.0).