Harbour
Pontoon
Pontoon noun - (nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge.
Show all Definitions
Synonyms for Pontoon
Harbour and pontoon are semantically related. Sometimes you can use "Harbour" instead a noun "Pontoon".
Nearby Word: ponton
Mutual synonyms
Cite this Source
Pontoon and Harbour. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/harbour/pontoon
Harbour & Pontoon. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/harbour/pontoon>.
Pontoon or Harbour. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/harbour/pontoon.
Google Ngram Viewer shows how "harbour" and "pontoon" have occurred on timeline