eighth

American  

[aytth, ayth] / eɪtθ, eɪθ /

adjective

1. next after the seventh.

2. being one of eight equal parts.

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noun

• eighths
  plural

1. an eighth part, especially of one (⅛).

2. the eighth member of a series.

3. Music. octave.

adverb

1. in the eighth place; eighthly.

eighth British  

/ eɪtθ /

adjective

1. (usually prenominal)

   1. coming after the seventh and before the ninth in numbering or counting order, position, time, etc; being the ordinal number of eight: often written 8th

   2. ( as noun )

      the eighth in line

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noun

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

   2. ( as modifier )

      an eighth part

2. the fraction equal to one divided by eight ( 1/ 8 )

3. another word for octave

adverb

1. Also: eighthly. after the seventh person, position, event, etc

Other Word Forms

Noun Inflected Forms

• eighths
  plural

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Etymology

Origin of eighth

before 1000; Middle English eightethe, Old English eahtotha; cognate with Old High German ahtoda, Old Norse āttandi, Gothic ahtud-. See eight, -th ²

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Example Sentences

See Examples For:

eighth eighths

The 37-year-old is chasing a fifth Race to Dubai title in a row and a record-equalling eighth in total, that would draw him level with Scotland's Colin Montgomerie.

From BBC ● Nov. 6, 2026

In Abu Dhabi this week McIlroy is seeking to bolster his bid to win the Race To Dubai for a record-equalling eighth time.

From BBC ● Nov. 4, 2026

The Chargers came into this year with the eighth best odds to win the Super Bowl.

From Los Angeles Times ● Nov. 2, 2026

It was her eighth return attempt since August.

From The Wall Street Journal ● Nov. 1, 2026

For example, the interval between the seventh and eighth harmonics is a major second, but so are the intervals between 8 and 9, between 9 and 10, and between 10 and 11.

From "Understanding Basic Music Theory" by Catherine Schmidt-Jones and Russel Jones

Instead of the firsts and seconds she had planned to win, her competition finishes were more eighths and 10ths.

From Washington Post ● Jan. 28, 2023

But its rhythm is stiff: stolid 4/4 time, brass and piano playing even eighths with little variation.

From Slate ● Feb. 23, 2017

Violist Alexander Bruck captured the magnetic eeriness of the "Capricho en Cuartos," a solo that divides the octave into eighths and 16ths.

From Los Angeles Times ● Dec. 13, 2015

Carroll's dismal form for seven eighths of the season forms part of the reason why Kenny Dalglish has been fired.

From The Guardian ● May 16, 2012

Fold the paper in half, then into quarters, and one more into eighths.

From "The First Rule of Punk" by Celia C. Pérez

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