frontline

American  

[fruhnt-lahyn] / ˈfrʌntˌlaɪn /

Or front-line

adjective

1. located or designed to be used at a military front line.

   a frontline ambulance helicopter.

2. of, relating to, or involving the forefront in any action, activity, or field.

   a frontline TV reporter.

3. highly experienced or proficient in the performance of one's duties.

4. of or relating to essential work that depends on in-person interactions and may involve some risk, especially policing, healthcare, emergency services, public transit, grocery, warehouse, and delivery work.

   Congress is taking up a bill that would guarantee sick leave and hazard pay to frontline workers.

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Etymology

Origin of frontline

First recorded in 1910–15; front (in the military sense) + line ¹ ( def. )

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Example Sentences

See Examples For:

frontline

Ukrainian ground robots had also completed roughly 112,000 frontline missions by August.

From The Wall Street Journal ● Oct. 16, 2026

But Cole Palmer will be rested and refreshed after his injury so I am going to base my prediction on how I expect Chelsea's frontline to click.

From BBC ● Oct. 8, 2026

For Pacific nations, hosting the preliminary talks in their region offers an opportunity to draw the world's attention to life on the frontline of climate change.

From Barron's ● Oct. 2, 2026

Rangers' Lawrence Shankland and Torino's Che Adams are also absentees from the frontline options through injury.

From BBC ● Sep. 21, 2026

Refusing to consider post-secondary education as a frontline attack on crime is a terrible mistake.

From "Newjack: Guarding Sing Sing" by Ted Conover

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