undisputed

adj 1 that cannot be doubted or questioned 无可置疑的; 毫无疑问的: undisputed facts, talents, rights 无可怀疑的事实、 才干、 权利. 2 accepted without dispute; unchallenged 无可争辩的; 无异议的: the undisputed champion, winner, etc 无可争辩的冠军、 优胜者等 * the undisputed market leader 在市场上无与匹敌的产品（或公司）.

underwent, underworld, underwrite, underwriter, undeserved, undeservedly, undeserving, undesignated, undesirable, undesirably, undetectable, undeterred, undeveloped, undid, undies, undignified, undirected, undischarged, undisclosed, undiscovered, undistinguished, undisturbed, undivided, undo, undoing, undone, undoubted, undoubtedly, undreamed-of, undress, undressed, undrinkable, undue, undulate, undulation, unduly, undying, unearned, unearth, unearthly,