fifteenth

1 of 2

adjective

fif·​teenth (ˈ)fif¦tēn(t)th 

1

: being number 15 in a countable series

the fifteenth day

see Table of Numbers

2

: being one of 15 equal parts into which something is divisible

a fifteenth share of the money

fifteenth

2 of 2

noun

"

plural fifteenths

-n(t)s, 

-n(t)ths

1

: number 15 in a countable series

the fifteenth of the month

2

: the quotient of a unit divided by 15 : one of 15 equal parts of something

one fifteenth of the total

3

: a tax of one fifteenth on personal property that formed a part of a grant to the English king from 1272 to 1624

4

a

: a musical interval (see interval sense 2c)embracing a double octave : a musical interval embracing fifteen diatonic degrees

b

: a note fourteen diatonic degrees from another note : a note that is a double octave above or below another note

c

: superoctave sense 2

Word History

Etymology

Adjective

Middle English fiftenthe, adjective & noun, alteration (influenced by fiftene) of fiftethe, from Old English fīftēotha (akin to Old Norse fimmtāndi fifteenth, Gothic fimftataihundin, dative singular neuter), from fīftīene, fīftȳne, fīftēne + -otha, -tha -th

Noun

Middle English fiftenthe

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Rhymes for fifteenth

• eighteenth
• fourteenth
• nineteenth
• sixteenth
• thirteenth
• umpteenth
• seventeenth