Lighthouse
Lighthouse noun - A tower with a light that gives warning of shoals to passing ships.
Observatory and lighthouse are semantically related. in lookout topic. In some cases you can use "Observatory" instead a noun "Lighthouse".
Nearby Word: light
Observatory
Observatory noun - A high place or structure from which a wide view is possible.
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Synonyms for Observatory
Lighthouse and observatory are semantically related. Sometimes you can use "Lighthouse" instead a noun "Observatory".
Cite this Source
Observatory and Lighthouse. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/lighthouse/observatory
Lighthouse & Observatory. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/lighthouse/observatory>.
Observatory or Lighthouse. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/lighthouse/observatory.
Google Ngram Viewer shows how "lighthouse" and "observatory" have occurred on timeline