unanswerable

adj that cannot be answered or refuted by a good argument to the contrary 无法回答的; 无可辩驳的: His case/defence is unanswerable. 他的辩解无懈可击.

unaccompanied, unaccountable, unaccountably, unaccounted, unaccustomed, unacknowledged, unadopted, unadulterated, unaffected, unaffordable, unafraid, unaided, unalloyed, unalterable, unaltered, unambiguous, unanimity, unanimous, unanimously, unannounced, unanswered, unanticipated, unappreciated, unapproachable, unarmed, unarticulated, unashamed, unashamedly, unasked, unasked for, unassailable, unassuming, unassumingly, unattached, unattended, unattractive, unavailable, unavailing, unavoidable, unavoidably,