as in forefronts
the leading or most important part of a movement
Susan B. Anthony was on the front line of the struggle for woman suffrage
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Recent Examples of front lines
The creative industries are on the front lines, with authors, artists, and musicians filing dozens of lawsuits against major AI companies for copyright infringement.
—
Alice Xiang, Time, 6 May 2026
Knoxville’s top forensic doctor is on the front lines, pressing to quickly identify the most lethal.
—Carl Hulse Adriana Loureiro Fernandez Brett Carlsen Fatima Abdulkarim, New York Times, 6 May 2026
The move comes amid a 20-year wave of growing sports valuations and investor interest, a shift that Inner Circle Sports helped guide from the front lines.
—Eben Novy-Williams, Variety, 5 May 2026
Russia’s ability to produce the drones, or unmanned aerial vehicles (UAVs), en masse meant Moscow could cut Ukrainian supply lines with drone attacks well behind the front lines.
—Charbel Mallo, CNN Money, 3 May 2026
Ukraine, putting that part of the country in particular on the front lines of Russia's war against its neighbor and Moscow's wider showdown with the NATO alliance.
—David Brennan, ABC News, 2 May 2026
In essence, middle managers are your chief culture officer on the front lines.
—Big Think, 29 Apr. 2026
Contributions will help provide even more meals to those on the front lines.
—Cbs News Atlanta Digital Team, CBS News, 29 Apr. 2026
The rising cost of living in Connecticut, however, has left many people struggling to make ends meet, including many staff on the front lines responsible for addressing homelessness.
—David Rich, Hartford Courant, 28 Apr. 2026
Alice Xiang, Time, 6 May 2026
Knoxville’s top forensic doctor is on the front lines, pressing to quickly identify the most lethal.
—Carl Hulse Adriana Loureiro Fernandez Brett Carlsen Fatima Abdulkarim, New York Times, 6 May 2026
The move comes amid a 20-year wave of growing sports valuations and investor interest, a shift that Inner Circle Sports helped guide from the front lines.
—Eben Novy-Williams, Variety, 5 May 2026
Russia’s ability to produce the drones, or unmanned aerial vehicles (UAVs), en masse meant Moscow could cut Ukrainian supply lines with drone attacks well behind the front lines.
—Charbel Mallo, CNN Money, 3 May 2026
Ukraine, putting that part of the country in particular on the front lines of Russia's war against its neighbor and Moscow's wider showdown with the NATO alliance.
—David Brennan, ABC News, 2 May 2026
In essence, middle managers are your chief culture officer on the front lines.
—Big Think, 29 Apr. 2026
Contributions will help provide even more meals to those on the front lines.
—Cbs News Atlanta Digital Team, CBS News, 29 Apr. 2026
The rising cost of living in Connecticut, however, has left many people struggling to make ends meet, including many staff on the front lines responsible for addressing homelessness.
—David Rich, Hartford Courant, 28 Apr. 2026
Recent Examples of Synonyms for front lines
Noun
-
Coworth forefronts its equestrian roots, with stables on site as well as polo fields.—
Lydia Bell,
Condé Nast Traveler,
7 Feb. 2026
Noun
-
Traveling over five times the speed of sound generates immense friction and drag, resulting in the leading edges reaching temperatures beyond 1,650 °C (3,000 °F).—
New Atlas,
New Atlas,
2 Dec. 2025
Noun
-
Surprisingly, it was found that stingers use a distinct layering of zinc at the tip, followed by manganese, while pincers are reinforced with zinc and iron specifically along their cutting edges.—
Mrigakshi Dixit,
Interesting Engineering,
28 Apr. 2026
-
Placing cutting edges along the handle might seem like a risky design choice.—
Maryna Holovnova,
New Atlas,
6 Apr. 2026
Cite this Entry
“Front lines.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/front%20lines. Accessed 14 May. 2026.
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