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.
While the average in-state tuition at public colleges costs about US$11,610 for the 2024-25 school year, out-of-state students paid $30,780, on average, during this same time frame. William McCorkle, The Conversation, 9 Dec. 2025 During the same time frame, cities along northern Lake Michigan are predicted to see 2-6 inches of snow, with Pilgrim (north of Manistee) expected to see the most, according to the National Weather Service's Probabilistic Precipitation Portal. Sarah Moore, Freep.com, 8 Dec. 2025 The small problem for Key Biscayne psychologist John Moran was that his consultation report for a father in an Oregon child custody case was made outside the time frame of his visitor’s permit to practice in Oregon. David J. Neal, Miami Herald, 7 Dec. 2025 The post-Covid box office time frame commenced in 2021 after a majority of the nation’s theaters were closed, from March 2020-March 2021. Anthony D'alessandro, Deadline, 7 Dec. 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 11 Dec. 2025.

Last Updated: - Updated example sentences
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