fifth

American  

[fifth, fith] / fɪfθ, fɪθ /

adjective

1. next after the fourth; being the ordinal number for five.

2. being one of five equal parts.

3. 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.

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adverb

1. in the fifth place; fifthly.

noun

1. a fifth part, especially of one (1/5).

2. the fifth member of a series.

3. a fifth part of a gallon of liquor or spirits; 4/5 (0.8) of a quart (about 750 milliliters).

4. Automotive. fifth gear.

5. Music.

   1. a tone on the fifth degree from another tone (counted as the first).

   2. the interval between such tones.

   3. the harmonic combination of such tones.

idioms

1. plead the Fifth, to decline on the basis of the Fifth Amendment to the U.S. Constitution to answer a question when testifying. Also take the Fifth

fifth British  

/ fɪfθ /

adjective

1. 1. coming after the fourth in order, position, time, etc. Often written: 5th

   2. ( as noun )

      he came on the fifth

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noun

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

   2. ( as modifier )

      a fifth part

2. the fraction equal to one divided by five ( 1/ 5 )

3. music

   1. the interval between one note and another five notes away from it counting inclusively along the diatonic scale

   2. one of two notes constituting such an interval in relation to the other See also perfect diminished interval

4. an additional high gear fitted to some motor vehicles

adverb

1. Also: fifthly.  after the fourth person, position, event, etc

1. Also: fifthly.  as the fifth point: linking what follows with the previous statements, as in a speech or argument

fifth More Idioms  

More idioms and phrases containing fifth

• take the fifth

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Etymology

Origin of fifth

First recorded before 1000; earlier fift, Middle English fifte, Old English fīfta; -th by analogy with fourth, etc.

Example Sentences

“Like previous technological transformations, AI will reduce opportunities for some jobs and create more opportunities for new ones,” said Bill Adams, chief economist at Fifth Third Commercial Bank.

From MarketWatch • Jun. 5, 2026

Fifth place went to Sony's comedy "The Breadwinner," which took in $7.5 million in its debut weekend.

From Barron's • May 31, 2026

Even though the Fifth Amendment ultimately kicked in and did its job, the government ruined lives in the process.

From Slate • May 22, 2026

The “Abbott Elementary” star and creator’s production company Fifth Chance Productions will team with cartoonist Max Fleischer’s grandson Mark Fleischer and their Fleischer Studios for the film.

From Los Angeles Times • May 20, 2026

“My shares in the Crow Club and Fifth Harbor.”

From "Six of Crows" by Leigh Bardugo