かつてない

(1)having no previous example or precedent or parallel; "a time of unexampled prosperity"

(2)前例や先例や類似するものがない

(3)unsurpassed in some respect up to the present; "prices at an all-time high"; "morale at an all-time low"; "among the all-time great lefthanders"

(4)現在まである意味において勝るものがない

(1)prices at an all-time high

(2)物価は過去最高に

(3)morale at an all-time low

(4)これまでになく低い意欲

(5)among the all-time great lefthanders

(6)これまでで最も偉大な左腕投手たちの中で