baseline

noun

base·​line ˈbās-ˌlīn How to pronounce baseline (audio)
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
a
: either of the lines on a baseball field that lead from home plate to first base and third base and are extended into the outfield as foul lines
b
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 This year, the department withheld the usual 10% as a baseline, then subtracted another 7% to adjust for the decrease in relative poverty. Nick Sullivan, The Arizona Republic, 29 Mar. 2024 It’s-still-Marlins Park-to-me had the requisite Opening Day trappings of red, white and blue bunting, a military jets flyover and the ceremonial introductions of the full rosters of Marlins and Pittsburgh Pirates along the baselines. Greg Cote, Miami Herald, 28 Mar. 2024 But very few countries have collected robust food waste data, according to the UNEP, which calls on them to use the Food Waste Index to measure food waste in a consistent manner, track progress and develop national baselines. Julia Jacobo, ABC News, 27 Mar. 2024 Conducting a security culture survey can help establish that baseline. Perry Carpenter, Forbes, 27 Mar. 2024 After that time, the muscle activity slowly starts to return to baseline over the next few week to months. Hannah Yasharoff, USA TODAY, 19 Mar. 2024 Comedy is a baseline for many things the St. Gilbert’s newcomers must confront. Aramide Tinubu, Variety, 8 Mar. 2024 The Eclipse Soundscapes Project utilizes small audio recorders to capture five days of sound data — two days prior the eclipse, and two days after to act as a baseline to compare normal animal behavior to the eclipse behavior. Daniel Johnson, Discover Magazine, 14 Mar. 2024 The proposal would provide about $900 billion for defense in fiscal 2025, about $16 billion more than the baseline. Josh Boak, Fortune, 12 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'baseline.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1556, in the meaning defined at sense 1

Time Traveler
The first known use of baseline was circa 1556

Dictionary Entries Near baseline

Cite this Entry

“Baseline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/baseline. Accessed 14 Apr. 2024.

Kids Definition

baseline

noun
base·​line ˈbās-ˌlīn How to pronounce baseline (audio)
1
: a line used as a base
2
a
: either of two straight lines on a baseball field leading from home plate to first base and third base and extending into the outfield
b

Medical Definition

baseline

noun
base·​line ˈbā-ˌslīn How to pronounce baseline (audio)
: a set of critical observations or data used for comparison or a control

More from Merriam-Webster on baseline

Last Updated: - Updated example sentences
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