- nth⇄expr. to the nth degree, to the utmost.
Ex. He was dressed to the nth degree for the occasion. - nth⇄nth, adjective.
1. last in the series 1,2,3,4, ... n; being of the indefinitely large or small amount denoted by ?n:
Ex. the nth term in a series, the nth power of a number.
2. (Informal, Figurative.) umpteenth.
Ex. I was reading