5️⃣ Number five 🏅 Person in position five 🟫 One part of five 🥃 Liquor bottle 🎵 Music interval

fifth

52 1.0

One of five equal parts of something

noun
/fɪfθ/

: quinto

If you divide the cake into five equal pieces, each piece is a fifth of the whole.
one-fifth
four-fifths
three-fifths

This plan would only undo a fifth of those cuts.

Examples

Only a fifth of a second off.

Jet Pilot (1957)
Social studies constitute but one strand, less than a fifth, in the school curriculum.

Academic text (1992)
You lost a fifth of your blood.

Wrath of Man (2021)
Now it's one out of five patients who are dying.
This plan would only undo a fifth of those cuts.

The Prof G Pod – Scott Galloway
In total, this was about a fifth of what the Finnish government had asked for in 1925.

Academic text (1999)
Between 1980 and 2000, Alaska accounted for an average of one-fifth of U.S. oil production.

Academic text (2012)
One fifth of Afghanistan now lives in Pakistan's North-West Frontier Province.

Charlie Wilson's War (2007)
Financial impediments were most frequent, occurring in more than one-fifth of the cases.

Academic text (1990)
One justification for spending nearly one-fifth of the United States GDP on healthcare is that high-quality health outcomes will result.

Academic text (2017)

Synonyms

twenty percent

vsfifth

263 1.0

An amount equal to twenty out of every one hundred

expresses the same proportion but as one part of five rather than per hundred

one-fifth

vsfifth

17 1.1

One of five equal parts of a whole

is the same meaning but expressed as a simple ordinal word

quintile

vsfifth

Specialized

6 7.4

One of five equal groups used to compare people or numbers

is the general fractional idea applied beyond statistical groupings

fifth part

vsfifth

1 1.2

One of five equal parts of a whole

is the broader, more common label for that equal division

Idioms

to take the Fifth

Formal

16 8.3

To refuse to answer questions in court to avoid saying something that could make you look guilty

to take the Fifth Amendment

Formal

4 7.5

Refuse to answer questions in court or by police to avoid saying you did something wrong

Compounds

Fifth Avenue

47 3.3

A famous street in Manhattan known for expensive shops and landmarks

one-fifth

17 1.1

One of five equal parts of a whole

twenty-fifth

7 1.0

The position that comes after number twenty-four in a list

fifth wheel

Offensive

3 7.0

A person who feels left out when others are a couple

fifth column

3 9.8

A group of people inside a country or organization who secretly help an enemy

fifth columnist

1 9.9

A person who secretly helps an enemy inside their country

fifth wheel

1 5.1

An extra wheel and tire kept in a car for emergencies

sixty-fifth

1 1.0

The position after sixty-four in a list

fifth wheel

Archaic

1 9.1

A metal part on a wagon that lets the front axle turn for steering

Fifth Lateran Council

1 9.9

A council of Catholic leaders in Rome 1512–1517 that made church reforms and planned a crusade against the Turks

Fifth Crusade

1 9.9

A Crusade from 1218 to 1221 where European Christians tried to take Jerusalem by attacking Egypt but failed

fifth part

1 1.2

One of five equal parts of a whole

hundred-and-fifth

1 1.0

The position number 105 in a list

Euclid's fifth axiom

Specialized

9.9

A rule that says there is exactly one line through a point that is parallel to a given line

Fifth Amendment (to the United States Constitution)

Formal

4.7

A US legal right that protects people from forced testimony, being tried twice, and unfair legal process

fifth base

Offensive

9.9

A slang phrase for having sex as the final step in dating

fifth cranial nerve

Specialized

7.4

A main nerve in the face that carries feeling and controls chewing muscles

hundred-and-thirty-fifth

1.3

It comes after one hundred and thirty-four in order

hundred-and-twenty-fifth

2.7

The position number 125 in a list, order, or series

hundred-and-fifty-fifth

1.9

A person or thing in position one hundred and fifty-five in a list

hundred-and-forty-fifth

2.8

The position number one hundred and forty-five in a list

hundred-and-seventy-fifth

3.2

The position number 175 in a series

hundred-and-sixty-fifth

3.3

A position that comes after one hundred sixty-four others in a sequence

How Much

whole

374 1.0

half

∞ 1.0

third

383 1.0

to quarter

10 2.1

fifth

52 1.0

tenth

54 1.0

Surface Forms

fifth singular

fifths plural

Morphology

fifth = five (transparent) = five + th

The fractional meaning 'one part out of five' is a direct semantic extension of the numeral plus '-th'.

Etymology

Fifth for a part comes from five + -th, meaning 'one of five', so a 'fifth' is one equal part when a whole is divided into five parts.