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Definition of monthslong

monthslong

/ˈmʌnθsˌlɔːŋ/
months · long
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monthslong Lexical Profile

monthslong Game Scores & Validity

• adjective

1

American Lasting or continuing for several months.

Example

"The committee published its findings after a monthslong investigation into the company's financial practices."

Synonyms
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Antonyms
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Word Nuance & Usage

While often hyphenated as 'months-long' in general usage, the closed compound 'monthslong' is the standard spelling in major American journalistic style guides, such as the Associated Press (AP) Stylebook, and is used almost exclusively before a noun.

• Nearby Words

month
monthlong
monthly
monthslong
montmorency
montmorency falls
montpellier

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

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