front lines

noun

Definition of front linesnext
plural of front line
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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“Front lines.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/front%20lines. Accessed 20 Mar. 2023.

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