Dictionary.com
Thesaurus.com

sixth

American  
[siksth] / sɪksθ /

adjective

  1. next after the fifth; being the ordinal number for six.

  2. being one of six equal parts.


noun

  1. a sixth part, especially of one (1/6).

  2. the sixth member of a series.

  3. Music.

    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.

adverb

  1. in the sixth place; sixthly.

sixth British  
/ sɪksθ /

adjective

  1. (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

"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

noun

    1. one of six equal or nearly equal parts of an object, quantity, measurement, etc

    2. ( as modifier )

      a sixth part

  1. the fraction equal to one divided by six ( 1/ 6 )

  2. music

    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 other See also major minor interval

    3. short for sixth chord

"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

adverb

  1. Also: sixthly.  after the fifth person, position, etc

"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
  1. 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

Other Word Forms

Etymology

Origin of sixth

before 900; six + -th 2; replacing sixt, Middle English sixte, Old English sixta

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He was relieved by freshman left-hander Sax Matson with one on and two outs in the top of the sixth.

From Los Angeles Times • May 30, 2026

As the Mamdani era nears its sixth month, City Hall’s search for a chief executive to run the Economic Development Corporation is moving at a crawl.

From The Wall Street Journal • May 29, 2026

Lionel Messi will play in a sixth World Cup as he captains holders Argentina at the 2026 tournament.

From BBC • May 28, 2026

Shares are also set to close higher for a sixth consecutive trading session, gaining 21% over that period.

From Barron's • May 28, 2026

The sixth photo was a high school graduation picture of Dad, his Afro so big, it didn’t fit in the frame.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "sixth" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com