often attributive
1
: a line serving as a basis
especially
: one of known measure or position used (as in surveying or navigation) to calculate or locate something
2
3
: a boundary line at either end of a court (as in tennis or basketball)
4
: a usually initial set of critical observations or data used for comparison or a control
5
: a starting point
the baseline of this discussion
Examples of baseline in a Sentence
The experiment is meant only to provide a baseline for other studies.
any year or event we use as the baseline for the Renaissance is going to be at least somewhat arbitrary
Recent Examples on the Web
The design also gives Reebok a baseline to grow from.
—
Tim Newcomb, Forbes.com, 18 May 2026
One wrap-around pass on the baseline to Monique Billings for 3 in the corner, and a shovel pass to Kelsey Mitchell for another 3, which was crucial in the Fever’s ferocious comeback to force overtime.
—Jon Root Outkick, FOXNews.com, 17 May 2026
This year’s total has already exceeded that baseline many times over, with new cases still being reported.
—Anthony Thompson, USA Today, 16 May 2026
Both chambers have a $200 million baseline for conservation easements through the Department of Agriculture and Consumer Services’ Rural and Family Lands Protection Program.
—Jim Turner, Miami Herald, 15 May 2026
See All Example Sentences for baseline
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Tim Newcomb, Forbes.com, 18 May 2026
One wrap-around pass on the baseline to Monique Billings for 3 in the corner, and a shovel pass to Kelsey Mitchell for another 3, which was crucial in the Fever’s ferocious comeback to force overtime.
—Jon Root Outkick, FOXNews.com, 17 May 2026
This year’s total has already exceeded that baseline many times over, with new cases still being reported.
—Anthony Thompson, USA Today, 16 May 2026
Both chambers have a $200 million baseline for conservation easements through the Department of Agriculture and Consumer Services’ Rural and Family Lands Protection Program.
—Jim Turner, Miami Herald, 15 May 2026
See All Example Sentences for baseline
Cite this Entry
“Baseline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/baseline. Accessed 21 May. 2026.
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Medical Definition
baseline
noun
base·line
ˈbā-ˌslīn 
: a set of critical observations or data used for comparison or a control
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