fifth
Americanadjective
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next after the fourth; being the ordinal number for five.
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being one of five equal parts.
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Automotive. of, relating to, or operating at the gear transmission ratio at which the drive shaft speed is greater than that of fourth gear for a given engine crankshaft speed.
fifth gear.
adverb
noun
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a fifth part, especially of one (1/5).
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the fifth member of a series.
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a fifth part of a gallon of liquor or spirits; 4/5 (0.8) of a quart (about 750 milliliters).
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Automotive. fifth gear.
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Music.
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a tone on the fifth degree from another tone (counted as the first).
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the interval between such tones.
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the harmonic combination of such tones.
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idioms
adjective
noun
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one of five equal or nearly equal parts of an object, quantity, measurement, etc
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( as modifier )
a fifth part
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the fraction equal to one divided by five ( 1/ 5 )
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music
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the interval between one note and another five notes away from it counting inclusively along the diatonic scale
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one of two notes constituting such an interval in relation to the other See also perfect diminished interval
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an additional high gear fitted to some motor vehicles
adverb
Etymology
Origin of fifth
First recorded before 1000; earlier fift, Middle English fifte, Old English fīfta; -th by analogy with fourth, etc.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Consumer sentiment in the U.S. weakened for a fifth consecutive month in December, amid enduring concerns over jobs and business conditions, a monthly survey said.
Cummins is being rested for the fourth and fifth Tests after rushing his return from a back injury to play in the decisive third Test in Adelaide.
From BBC
Both players missed match darts in the deciding set, with world number 43 Evans eventually taking it 6-4 in the fifth.
From BBC
The Bears’ recovery marked the fifth of the season, matching the total from the prior two years combined.
Economically, Greenland depends on subsidies from Copenhagen equivalent to a fifth of its GDP, and on its fishing sector.
From Barron's
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.