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
Daniel Libit, Sportico.com, 29 May 2025
Scott, who directed state response to a string of hurricanes while governor, praised the workers at FEMA he’s dealt with in the past but, echoing DeSantis, said Florida emergency managers are at the front lines of disasters.
—Alex Harris, Miami Herald, 28 May 2025
Simon Perry, People.com, 29 May 2025
These technologies may also expand forms of adaptive capacity, especially when designed for public benefit or integrated into frontline decision-making.
—London Business School, Forbes.com, 28 Apr. 2025
See All Example Sentences for front line
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Noun
Since then, Rogers has often found himself on the front lines of the faculty representatives’ enduring struggle for influence and relevance.
—Daniel Libit, Sportico.com, 29 May 2025
Scott, who directed state response to a string of hurricanes while governor, praised the workers at FEMA he’s dealt with in the past but, echoing DeSantis, said Florida emergency managers are at the front lines of disasters.
—Alex Harris, Miami Herald, 28 May 2025
Adjective
In doing so, the King is drawing on his extensive diplomatic experience gleaned from more than five decades of frontline public service.
—Simon Perry, People.com, 29 May 2025
These technologies may also expand forms of adaptive capacity, especially when designed for public benefit or integrated into frontline decision-making.
—London Business School, Forbes.com, 28 Apr. 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 4 Jun. 2025.
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