[ nahynth ]
/ naɪnθ /


next after the eighth; being the ordinal number for nine.
being one of nine equal parts.


a ninth part, especially of one (1/9).
the ninth member of a series.
  1. a tone distant from another tone by an interval of an octave and a second.
  2. the interval between such tones.
  3. harmonic combination of such tones.


in the ninth place.

Origin of ninth

before 900; Middle English ninthe (see nine, -th2), replacing Middle English niend (Old English nigend), neogethe, nigethe (Old English nigotha); akin to Old Saxon nigutho, Old Norse nīundi, Gothic niunda
Related formsninth·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ninth

British Dictionary definitions for ninth

Word Origin for ninth

Old English nigotha; related to Old High German niunto, Old Norse nīundi
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

Word Origin and History for ninth



c.1300, modification (by influence of nine) of nigonðe, from Old English nigoða, nigend.

Online Etymology Dictionary, © 2010 Douglas Harper