time frame

noun

variants or less commonly timeframe
: a period of time especially with respect to some action or project

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time frame or timeframe?

Should time frame be written as one word or two? At present, it is most commonly styled as two words with no hyphen in between.

Compounds, or “words consisting of components that are words,” come in three varieties: open (two words with a space between them, such as lima bean), hyphenated (two words with a hyphen between them, such as runner-up), and closed (one word, such as rowboat). In some cases, competing compound stylings appear in different publications. This is generally acceptable as long as the spelling remains consistent throughout a book or periodical.

Compounds have a tendency to move from open to closed as time goes by, and our evidence suggests that time frame is headed in this direction. At this point, however, the open compound is far more prevalent.

Examples of time frame in a Sentence

They were not able to finish the project within the established time frame.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That compares with the market for traditional, drawdown funds, which has about $15 trillion in assets and is expected to grow to more than $20 trillion over that time frame, according to PitchBook. Leslie Picker, CNBC, 4 Nov. 2025 The mechanism that agricultural commissioners for Yuba and Sutter counties have at their disposal to curb theft is the annual walnut-buying period that establishes time frames and documentation requirements for buying and selling unprocessed walnuts. Jake Goodrick, Sacbee.com, 31 Oct. 2025 For this story, our editors and contributors tested their luxury pillows in their own homes for at least a month (our minimum testing time frame), but most of them have been slept on for nearly six months to get a true gauge of how these models hold up over time. Kate McGregor, Architectural Digest, 31 Oct. 2025 When making a public records request, be specific about the document, the agency, and the time frame. Taylor Seely, AZCentral.com, 30 Oct. 2025 See All Example Sentences for time frame

Word History

First Known Use

1893, in the meaning defined above

Time Traveler
The first known use of time frame was in 1893

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Cite this Entry

“Time frame.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/time%20frame. Accessed 5 Nov. 2025.

Last Updated: - Updated example sentences
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