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
Trevor Riggen, Forbes, 19 Mar. 2025
The temporary truce did not include any protections for troops fighting on the front lines or for Ukrainian civilians who continue to live through Russia’s constant aerial bombardments.
—Caitlin McFall, Fox News, 19 Mar. 2025
Charlotte Alter, TIME, 7 Mar. 2025
There was criticism from frontline European states who were not invited, with one senior Baltic official saying that Mr. Macron’s initiative splits the unity of the European Union, and that the meeting should have been called by President António Costa of the European Council, not by Mr. Macron.
—Catherine Porter, New York Times, 17 Feb. 2025
See All Example Sentences for front line
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Noun
As the reach and intensity of extreme weather events increase, communities that were once considered relatively safe are finding themselves on the front lines of catastrophe.
—Trevor Riggen, Forbes, 19 Mar. 2025
The temporary truce did not include any protections for troops fighting on the front lines or for Ukrainian civilians who continue to live through Russia’s constant aerial bombardments.
—Caitlin McFall, Fox News, 19 Mar. 2025
Adjective
Part of a new generation of frontline Democrats, Deluzio talked to TIME about where his party went wrong with his voters and how to win them back.
—Charlotte Alter, TIME, 7 Mar. 2025
There was criticism from frontline European states who were not invited, with one senior Baltic official saying that Mr. Macron’s initiative splits the unity of the European Union, and that the meeting should have been called by President António Costa of the European Council, not by Mr. Macron.
—Catherine Porter, New York Times, 17 Feb. 2025
See All Example Sentences for front line
Articles Related to front line
Cite this Entry
“Front line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/front%20line. Accessed 22 Mar. 2025.
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