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Definition of fiftieth

fiftieth

/ˈfɪf.ti.əθ/
fif · ti · eth
Plural:fiftieths
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fiftieth Lexical Profile

fiftieth Game Scores & Validity

• adjective

1

Constituting number fifty in a sequence; coming after the forty-ninth in order.

Example

"Hawaii became the fiftieth state of the United States in 1959."

2

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

Example

"Only a fiftieth part of the original manuscript survived the fire."

• noun

1

The person or thing in the fiftieth position in a sequence, or the fiftieth in a series (such as a fiftieth anniversary or the fiftieth year of a century).

Example

"My grandparents are planning a family reunion to celebrate their fiftieth."

2

One of fifty equal parts into which a whole is divided; a fraction equal to 2 percent.

Example

"Each investor holds a fiftieth of the company's total shares."

• adverb

1

In the fiftieth place or position in a sequence.

Example

"She finished fiftieth out of three hundred runners in the city marathon."

• Nearby Words

fifth
fifthly
fifties
fiftieth
fifty
fiftyfold
fiftyish

Word Origin & Etymology

From Old English fiftigotha, derived from fiftig ('fifty') plus the ordinal suffix -otha (modern -eth).

Cite this Entry

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