First line
Front line and first line are semantically related. In some cases you can use "Front line" instead a noun phrase "First line".
Front line
Front line noun - The leading or most important part of a movement.
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Synonyms for Front line
First line and front line are semantically related. You can use "First line" instead a noun phrase "Front line".
Mutual synonyms
Cite this Source
Front line and First line. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/first_line/front_line
First line & Front line. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/first_line/front_line>.
Front line or First line. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/first_line/front_line.
Google Ngram Viewer shows how "first line" and "front line" have occurred on timeline