adj Common

eighth

aytth

Eighth (adj) means coming after seven others in a sequence; number 8 in an ordered list. Example: “This is the eighth time he's called today.”

adj

Coming after seven others in a sequence; number 8 in an ordered list.

"This is the eighth time he's called today."

"She finished eighth in the marathon."

noun

One of eight equal parts of something.

"Cut the pizza into eighths."

(slang) An eighth of an ounce of marijuana or another drug, roughly 3.5 grams.

"He bought an eighth from the dispensary."

How to use eighth

Learner’s notes

In plain EnglishThe ordinal form of eight — eighth in a sequence, one part out of eight, or (slang) a small drug quantity.

When to use it

The drug-quantity sense is informal slang, common in the US.

Word forms

eighthed past tense, eighths plural, eighths singular

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Synonyms

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one-eighth

Frequently asked questions

What does “eighth” mean?

The word “eighth” means coming after seven others in a sequence; number 8 in an ordered list. In plain terms, the ordinal form of eight — eighth in a sequence, one part out of eight, or (slang) a small drug quantity.

How do you pronounce “eighth”?

“Eighth” is pronounced aytth (/eɪtθ/ in IPA).

How do you use “eighth” in a sentence?

Here is “eighth” used in a sentence: “This is the eighth time he's called today.”

What part of speech is “eighth”?

Depending on how it is used, “eighth” can be an adjective and a noun.

Is “eighth” a common word?

“Eighth” is a fairly common word in modern English.

How many meanings does “eighth” have?

“Eighth” has 3 distinct senses listed in this dictionary. The most common is: coming after seven others in a sequence; number 8 in an ordered list.

What is the difference between eighth and eight?

Eight is the number 8 itself, a cardinal number used for counting. Eighth is the ordinal form, meaning the one coming after seven others in a sequence, as in "the eighth day." Eighth can also mean one of eight equal parts.

How do you spell eighth correctly?

Eighth is spelled e-i-g-h-t-h: keep the whole word "eight" and add a final "h." A common mistake is writing "eigth" or dropping the last "h," so remember it is simply eight plus h.

When is "an eighth" used as a fraction?

"An eighth" means one of eight equal parts of something, written 1/8. For example, an eighth of a pizza is one slice when it is cut into eight. In this sense eighth is a noun.

Is it "a eighth" or "an eighth"?

It is "an eighth." Eighth begins with a vowel sound, so the article "an" is used, as in "an eighth of the total," rather than "a eighth."

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