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[enth] /ɛnθ/
being the last in a series of infinitely decreasing or increasing values, amounts, etc.
(of an item in a series of occurrences, planned events, things used, etc., that is thought of as being infinitely large) being the latest, or most recent:
This is the nth time I've told you to eat slowly.
the nth degree / power,
  1. a high degree or power.
  2. the utmost degree or extent:
    The new hotel was luxurious to the nth degree.
Origin of nth
First recorded in 1850-55; N (symbol, def. 5) + -th2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for nth
Contemporary Examples
Historical Examples
  • Neither would my six brothers, nor any of our descendants to the nth generation.

    All Men are Ghosts L. P. Jacks
  • Such rank superiority irritated the soldier to the nth power.

    Birthright T.S. Stribling
  • They represent understatement to the nth when applied to the front trenches.

  • Wilkerson is not a creator, he's just nature keyed up to the nth power.

    The Heart's Kingdom

    Maria Thompson Daviess
  • Her mind was her mother's mind raised to the nth power, and enhanced by the genius she was trying to crush.

    Fanny Herself Edna Ferber
  • The case is an extreme one, he admits, deliberately chosen to expound his theory to the nth.

    Arthur Machen

    Vincent Starrett
  • The unnerving tension of expecting it every second made them erratic and nervous to the nth degree.

    Islands of Space John W Campbell
  • Roosevelt played the part even better than Mr. Harding, "an ordinary man raised to the nth power."

    Behind the Mirrors Clinton W. Gilbert
British Dictionary definitions for nth


(maths) of or representing an unspecified ordinal number, usually the greatest in a series of values: the nth power
(informal) being the last, most recent, or most extreme of a long series: for the nth time, eat your lunch!
(informal) to the nth degree, to the utmost extreme; as much as possible


Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for nth

1852, in phrase to the nth, figurative use of a mathematical term indicating indefinite number, in which n is an abbreviation for number (n.).

Online Etymology Dictionary, © 2010 Douglas Harper
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Idioms and Phrases with nth
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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