Flagger
Observer
Mutual synonyms
Cite this Source
Observer and Flagger. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/flagger/observer
Flagger & Observer. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/flagger/observer>.
Observer or Flagger. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/flagger/observer.
Google Ngram Viewer shows how "flagger" and "observer" have occurred on timeline