1
a
: a military line formed by the most advanced tactical combat units
also
: front sense 2a(2)
b
: an area of potential or actual conflict or struggle
2
: the most advanced, responsible, or visible position in a field or activity
front·line
ˈfrənt-ˌlīn 
1
: relating to, being, or involved in a front line
frontline ambulances
2
: first-rate
frontline teachers
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
Anthony D'alessandro, Deadline, 25 Sep. 2025
Over the past century, the publication has sent editors on the Titanic, had people on the front line in Nazi Germany, at every NASA space launch and much more.
—Kanika Talwar, Footwear News, 23 Sep. 2025
Forbes.com, 17 Sep. 2025
In a brief moment of calm, Common Man for Ukraine Co-Founder Susan Mathison (bottom right) sits with children at a safe house in a frontline Ukrainian village in March 2025, after delivering food, clothes, and...
—Susan Mathison, MSNBC Newsweek, 30 July 2025
See All Example Sentences for front line
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Noun
Meeting in secret during COVID lockdowns, the couple faces criminalization, police raids, and the looming threat of being sent to the front line.
—Anthony D'alessandro, Deadline, 25 Sep. 2025
Over the past century, the publication has sent editors on the Titanic, had people on the front line in Nazi Germany, at every NASA space launch and much more.
—Kanika Talwar, Footwear News, 23 Sep. 2025
Adjective
Empowering workers, especially frontline employees, with uncomplicated access to key resources has many benefits.
—Forbes.com, 17 Sep. 2025
In a brief moment of calm, Common Man for Ukraine Co-Founder Susan Mathison (bottom right) sits with children at a safe house in a frontline Ukrainian village in March 2025, after delivering food, clothes, and...
—Susan Mathison, MSNBC Newsweek, 30 July 2025
See All Example Sentences for front line
Cite this Entry
“Front line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/front%20line. Accessed 29 Sep. 2025.
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