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
Sun Sentinel Editorial Board, Sun Sentinel, 14 May 2025
On the other hand, Gaza, among the most impoverished areas of the Middle East, has been on the front lines of history for millennia, and has been caught in the crosshairs of the modern Israeli-Palestinian conflict since its inception in 1948.
—Tom O'Connor, MSNBC Newsweek, 13 May 2025
London Business School, Forbes.com, 28 Apr. 2025
Retail: While frontline retail positions see high turnover, management roles in this sector remain appealing to career changers.
—Caroline Castrillon, Forbes.com, 9 Apr. 2025
See All Example Sentences for front line
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Noun
It is needed by pediatricians and school principals, who are on the front lines of any outbreak.
—Sun Sentinel Editorial Board, Sun Sentinel, 14 May 2025
On the other hand, Gaza, among the most impoverished areas of the Middle East, has been on the front lines of history for millennia, and has been caught in the crosshairs of the modern Israeli-Palestinian conflict since its inception in 1948.
—Tom O'Connor, MSNBC Newsweek, 13 May 2025
Adjective
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
Retail: While frontline retail positions see high turnover, management roles in this sector remain appealing to career changers.
—Caroline Castrillon, Forbes.com, 9 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 21 May. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share