next after the fifth; being the ordinal number for six.
being one of six equal parts.


a sixth part, especially of one (1/6).
the sixth member of a series.
  1. a tone on the sixth degree from a given tone (counted as a first).
  2. the interval between such tones.
  3. the harmonic combination of such tones.


in the sixth place; sixthly.

Origin of sixth

before 900; six + -th2; replacing sixt, Middle English sixte, Old English sixta
Related formssixth·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sixth

Contemporary Examples of sixth

Historical Examples of sixth

  • The sixth day brought Andrew Lanning in close view of the lower hills.

  • The sixth man was Scottie, who had long since been detached from the party.

  • Again, in the fourth, sixth, and seventh sonnets the same plea is urged.

  • What connection exists between the sixth and seventh petitions?

  • The former, I was in the habit of often seeing, until I reached my fifth or sixth year.

    Ned Myers

    James Fenimore Cooper

British Dictionary definitions for sixth



(usually prenominal)
  1. coming after the fifth and before the seventh in numbering or counting order, position, time, etc; being the ordinal number of six: often written 6th
  2. (as noun)the sixth to go


  1. one of six equal or nearly equal parts of an object, quantity, measurement, etc
  2. (as modifier)a sixth part
the fraction equal to one divided by six (1/6)
  1. the interval between one note and another note six notes away from it counting inclusively along the diatonic scale
  2. one of two notes constituting such an interval in relation to the otherSee also major (def. 14), minor (def. 4), interval (def. 5)
  3. short for sixth chord


Also: sixthly after the fifth person, position, etc

sentence connector

Also: sixthly as the sixth point: linking what follows to the previous statements
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 sixth

1520s, replacing Middle English sixte (c.1200), from Old English syxte, from siex (see six). Cf. Old Frisian sexta, Middle Dutch seste, Old High German sehsto, German sechste, Gothic saihsta. With ending conformed to -th (1). Related: Sixthly. The noun meaning "a sixth part" is from 1550s. As a music tone, from 1590s. Sixth sense "supernatural perception of objects" is attested from 1712; earlier it meant "titillation, the sense that apprehends sexual pleasure" (1690s, from Scaliger).

Then said Peter, That is false; for there is a sixth Sense, that of Prescience : for the other five Senses are capable only of Knowledg ; but the Sixth of Foreknowledg ; which Sense the Prophets had. [William Whitson, "Primitive Christianity Reviv'd," vol. V, London, 1712]
Online Etymology Dictionary, © 2010 Douglas Harper