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Definition of twelfth

twelfth

/twɛlfθ/
twelfth
Adverb:twelfthly
•
Plural:twelfths
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twelfth Lexical Profile

twelfth Game Scores & Validity

• adjective

1

Constituting number twelve in a sequence; coming directly after the eleventh.

Example

"Their offices are located on the twelfth floor of the downtown building."

2

Each of twelve equal parts into which something is or may be divided.

Example

"Each partner is entitled to a twelfth share of the annual profits."

Synonyms
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• noun

1

One of twelve equal parts of a whole.

Example

"An inch is exactly one twelfth of a foot."

2

The person or thing in the twelfth position in a sequence, or the twelfth day of a month.

Example

"The deadline for submitting the final report is the twelfth of May."

3

A musical interval spanning an octave and a fifth, or the twelfth note of an extended diatonic scale.

Example

"The clarinet overblows at the twelfth rather than the octave."

Synonyms
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Word Nuance & Usage

Pay close attention to the spelling and consonant cluster 'lfth': the 've' of 'twelve' changes to 'f' before adding '-th' (never 'twelveth').

• Nearby Words

tweeze
tweezer
tweezers
twelfth
twelve
twelvefold
twelvemonth

Word Origin & Etymology

From Middle English twelfte, from Old English twelfta, derived from twelf ('twelve') and the ordinal suffix -ta.

Cite this Entry

Wordmom. (2026). Definition of Twelfth. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/twelfth
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