Eighth Meaning
/eɪtθ/Definition, CEFR level B1, pronunciation, examples, and quiz.
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Definition
adjThe ordinal form of the number eight.
nounThe person or thing in the eighth position.
Sentence Examples
Neptune is the eighth planet of the solar system.
It's on the eighth floor.
CEFR Practice Quiz
His ____ attempt to bake a cake finally resulted in success.
CEFR Practice Quiz (Alternate)
Neptune is the ____ planet of the solar system.
Word Origin & History
Etymology tree Proto-Indo-European *oḱtṓw Proto-Indo-European *oḱtowós Proto-Germanic *ahtudô Proto-West Germanic *ahtudō Old English eahtoþa Middle English eightethe English eighth Inherited from Middle English eightethe, from Old English eahtoþa, from Proto-Germanic *ahtudô; equivalent to eight + -th (ordinal suffix).
Literary Quotations & Historical Citations
"Consequently, in the initial position the white pieces and pawns are placed on the first and second ranks; the black pieces and pawns on the eighth and seventh ranks."
— 2022, “2023 Laws of Chess”, in FIDE, page 21:
"In 2023, the birthrate fell for the eighth consecutive year to 0.72, the lowest in the world, from 1.24 in 2015, raising concerns over the economic shock to society from such a rapid pace."
— 2025 February 25, “South Korea’s birth rate rose for the first time in 9 years. Is the world’s lowest fertility rate on the rebound?”, in CNN, sourced from Reuters, archived from the original on 06 Jul 2025:
"Scientists from the University of Pennsylvania have determined that the young skull is only an eighth as strong as an adult one."
— 2000 October 3, Eric Nagourney, “VITAL SIGNS: PROTECTION; A Measure of an Infant Skull's Strength”, in The New York Times, archived from the original on 19 Apr 2022:
"At midday he’d found an ageing eighth of hash in a drawer, a little bundle of cellophane."
— 2000, Zadie Smith, White Teeth, London: Penguin Books, published 2001, →ISBN, page 499:
"The first step is to eighth the script out. See figure 3.6 overleaf. Eighthing a script is subjective."
— 2013, Raindance Producers' Lab Lo-To-No Budget Filmmaking, page 31:
Explore More B1 Vocabulary Words
CEFR Practice Quiz
His ____ attempt to bake a cake finally resulted in success.
CEFR Practice Quiz (Alternate)
Neptune is the ____ planet of the solar system.