front line

1 of 2

noun

Synonyms of front linenext
1
a
: a military line formed by the most advanced tactical combat units
b
: an area of potential or actual conflict or struggle
2
: the most advanced, responsible, or visible position in a field or activity
1
: relating to, being, or involved in a front line
frontline ambulances
2
: first-rate
frontline teachers
also : first-string
a frontline goalie

Examples of front line in a Sentence

Noun These researchers are on the front line of defense against cancer. She has been working on the front lines to educate the poor. Adjective if I'm having brain surgery, I want it done at a frontline hospital
Recent Examples on the Web
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Noun
So, the group wades deeper into the front lines, dodging bachelorettes and the occasional frat boy. Rob Picheta, CNN Money, 27 June 2026 At the May 28 rally, Ammons vowed to remain on the front lines and call attention to what’s happening in her city. John Lippert, Chicago Tribune, 28 June 2026
Adjective
The state would also seek to add community health workers, who are frontline public health workers and who either are part of or have built trust with particular communities. Madeline Heim, jsonline.com, 7 Nov. 2025 One of four college assistants to get a frontline role on Minter’s defensive staff, Bower will have an opportunity to work with what could be a very young edge rusher group. Jeff Zrebiec, New York Times, 9 Feb. 2026 See All Example Sentences for front line

Word History

First Known Use

Noun

1677, in the meaning defined at sense 1a

Adjective

1914, in the meaning defined at sense 1

Time Traveler
The first known use of front line was in 1677

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Cite this Entry

“Front line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/front%20line. Accessed 7 Jul. 2026.

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