Boundary
Boundary noun - A real or imaginary point beyond which a person or thing cannot go.
Front line and boundary are semantically related. In some cases you can use "Front line" instead a noun "Boundary".
Nearby Word: bound
Front line
Front line noun - The leading or most important part of a movement.
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Synonyms for Front line
Boundary and front line are semantically related. Sometimes you can use "Boundary" instead a noun phrase "Front line".
Mutual synonyms
Cite this Source
Front line and Boundary. (2016). Retrieved 2026, August 09, from https://thesaurus.plus/related/boundary/front_line
Boundary & Front line. N.p., 2016. Web. 09 Aug. 2026. <https://thesaurus.plus/related/boundary/front_line>.
Front line or Boundary. 2016. Accessed August 09, 2026. https://thesaurus.plus/related/boundary/front_line.
Google Ngram Viewer shows how "boundary" and "front line" have occurred on timeline