Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Origin: n mathematical sign for a number of unknown value + -th

nth

adjective
     
nth
1

to the nth degree

informal extremely, or as much as possible:
It was boring to the nth degree.
2 [only before noun] informal the most recent of a long series of similar things that have happened:
Even after I'd reminded him for the nth time, he forgot.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary