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Definition of ninetyfold

ninetyfold

/ˈnaɪntiˌfoʊld/
nine · ty · fold
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ninetyfold Lexical Profile

ninetyfold Game Scores & Validity

• adjective

1

Equal to ninety times as much or as many; consisting of ninety parts.

Example

"The researchers reported a ninetyfold increase in processing efficiency following the new algorithmic upgrade."

• adverb

1

By ninety times; to ninety times the original size, amount, or number.

Example

"Over the last fifty years, the coastal town's population has multiplied ninetyfold."

• Nearby Words

nineties
ninetieth
ninety
ninetyfold
ningbo
ninja
ninjutsu

Word Origin & Etymology

Formed by combining the number 'ninety' with the suffix '-fold', originating from Old English '-feald', denoting multiplication, magnitude, or division into parts.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

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