dramatic comeback; complete reversal; turnabout
Used for a dramatic, often unexpected reversal of fortune, especially in sports, games, or contests. Emphasizes the theatrical or story-like quality of the turnaround.
A dramatic comeback happened in the final inning.
His life was truly a dramatic reversal.
大逆転 emphasizes a 'great' or 'huge' reversal, while 逆転劇 focuses on the dramatic, theatrical aspect of the turnaround.
Compound of 逆転 (reversal) and 劇 (drama, play). The exact historical derivation is uncertain, but the word is conventionally understood as 'a dramatic reversal'.