sixth

American  

[siksth] / sɪksθ /

adjective

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

2. being one of six equal parts.

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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

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noun

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

   2. ( as modifier )

      a sixth part

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

3. 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

adverb

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

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

Other Word Forms

• sixthly adverb

Etymology

Origin of sixth

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

Example Sentences

It marked the sixth of 14 practices leading up to the annual spring game on May 2 at the Rose Bowl.

From Los Angeles Times • Apr. 14, 2026

Known as “the Crab” because he was born with a sixth finger on one hand, Rodríguez Castro is Raúl Castro’s oldest and, by all accounts, favorite grandson.

From The Wall Street Journal • Apr. 14, 2026

His regular-season wins are the sixth most in NBA history and he will be enshrined into the Naismith Basketball Hall of Fame this year.

From Los Angeles Times • Apr. 13, 2026

McIlroy double-bogeyed the fourth hole and bogeyed the sixth.

From The Wall Street Journal • Apr. 13, 2026

“Remember how a sixth grader in Ohio gave me my name?”

From "A Rover's Story" by Jasmine Warga