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Definition of eighth

eighth

/eɪtθ/
eighth

Adverb:eighthly
•
Plural:eighths
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eighth Lexical Profile

eighth Game Scores & Validity

• adjective

1

Constituting number eight in a sequence; coming directly after the seventh in position, order, or rank.

Example

"Their apartment is located on the eighth floor of the residential tower."


2

Constituting one of eight equal parts into which a whole is divided.

Example

"The carpenter shaved off an eighth inch of wood so the door would close smoothly."

• noun

1

One of eight equal parts into which something is or may be divided.

Example

"The recipe calls for an eighth of a teaspoon of freshly ground nutmeg."


2

The person, item, or day occupying the position number eight in a sequence, or the eighth day of a month.

Example

"The university's fall semester officially begins on the eighth of September."


3

In music, an interval spanning eight diatonic degrees, or the eighth tone of a scale; an octave.

Example

"The soprano effortlessly reached the upper eighth at the climax of the aria."

• adverb

1

In the eighth place, rank, or position in a sequence or competition.

Example

"The marathon runner finished eighth out of more than two hundred competitors."

Word Nuance & Usage

Often misspelled as 'eigth'; it retains the 'h' from 'eight' before adding the ordinal suffix, with a single 't' shared between the root and the suffix.

Word Origin & Etymology

From Middle English eighth, from Old English eahtoþa, derived from Proto-Germanic *ahtudô, the ordinal form of 'eight'.

Cite this Entry


Wordmom. (2026). Definition of Eighth. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/eighth
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