Front line
Front line noun - The leading or most important part of a movement.
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Synonyms for Front line
Trenches and front line are semantically related. In some cases you can use "Trenches" instead a noun phrase "Front line".
Trenches
Front line and trenches are semantically related. Sometimes you can use "Front line" instead a noun "Trenches".
Mutual synonyms
Both terms in one sentence
- Hardest hit was the 1st Newfoundland Regiment, which - unable to reach its own front line because the British communication trenches were jammed with casualties - went up and over the trenches in full view of a regiment's worth of machine guns.
Source: Curb Stomp Battle / Real Life -
The "no-man's land" between the two front line trenches, which looked more like the surface of the moon than the Earth.
Source: Mordor
Cite this Source
Trenches and Front line. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/front_line/trenches
Front line & Trenches. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/front_line/trenches>.
Trenches or Front line. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/front_line/trenches.
Google Ngram Viewer shows how "front line" and "trenches" have occurred on timeline