Flask
Flask noun - Bottle that has a narrow neck.
Show all Definitions
Synonyms for Flask
Thermos flask and flask are semantically related in vessel topic. In some cases you can use "Thermos flask" instead a noun "Flask", when it comes to topics like thermos bottle.
Thermos flask
Thermos flask noun - Vacuum flask that preserves temperature of hot or cold drinks.
Show all Definitions
Synonyms for Thermos flask
Flask and thermos flask are semantically related in thermos bottle topic. You can use "Flask" instead a noun phrase "Thermos flask".
Mutual synonyms
Cite this Source
Thermos flask and Flask. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/flask/thermos_flask
Flask & Thermos flask. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/flask/thermos_flask>.
Thermos flask or Flask. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/flask/thermos_flask.
Google Ngram Viewer shows how "flask" and "thermos flask" have occurred on timeline