sixth

noun

ˈsiks(t)th  ˈsiks(t) 

plural sixths

ˈsiks(ts),

ˈsiks(t)ths 

1

: one that is number six in a series

We'll be arriving on the sixth.

Her office is the sixth on the left.

see Table of Numbers

2

: one of six equal parts of something

one sixth of the total

3

a

: a musical interval embracing six diatonic degrees

b

: a tone at this interval

specifically : submediant

c

: the harmonic combination of two tones a sixth apart

sixth adjective or adverb

the book's sixth chapter

the state's sixth largest city

sixthly

ˈsiksth-lē 

ˈsikst-

adverb

Sixthly, don't let your screaming tenor soar an octave above all the balance of the chorus …

—Mark Twain

Examples of sixth in a Sentence

Only about a sixth of the town voted for her.

Recent Examples on the Web

In the sixth, Benson came up against reliever Hunter Gaddis with one out and nobody on. —C. Trent Rosecrans, New York Times, 19 May 2025

Jupiter pulled to within 3-2 on Ryan Senecal’s RBI single in the sixth. —Gary Curreri, Sun Sentinel, 18 May 2025

Castro allowed two runs in 1 1/3 innings after entering in the sixth. —Lamond Pope, Chicago Tribune, 16 May 2025

Sabrina Carpenter released five albums before rocketing to fame on her sixth, while Noah Kahan put out two full-lengths and two EPs before releasing the album that propelled him into the mainstream. —Elias Leight, Billboard, 16 May 2025

Word History

First Known Use

12th century, in the meaning defined at sense 1

Phrases Containing sixth

• sixth chord
• sixth form
• sixth form college
• sixth sense

Kids Definition

sixth

noun

ˈsiks(t)th 

ˈsiks(t)

plural sixths

1

: one that is number six in a series see number

2

: the difference in pitch between the first tone and the sixth tone of a scale

sixth adjective or adverb

sixthly

ˈsiksth-lē 

ˈsikst-

adverb