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flask Synonyms

Another word for flask

Choosing another word for flask depends on context, so the synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• noun (Context 1)

A small glass container, typically with a wide base and a narrow neck, used in scientific laboratories for holding, mixing, or heating liquids.

Usage Example

"The chemist carefully poured the acidic solution into the Erlenmeyer vessel."

Strong
vessel
container
beaker
Weak
phial
vial

• noun (Context 2)

A flat, typically metal container specifically designed for carrying a small amount of alcoholic beverage in a pocket.

Usage Example

"He took a quick sip of whiskey from the silver canteen hidden in his coat pocket before walking onto the stage."

Strong
canteen
bottle

• noun (Context 3)

A double-walled insulated container used to keep liquids hot or cold for extended periods.

Usage Example

"She packed some sandwiches and a thermos of hot tea for the long hike across the moors."

Strongest
thermos

• Nearby Words

flashmob
flashpoint
flashy
flask
flat
flatback sea turtle
flatback turtle

Cite this Entry

Wordmom. (2026). Synonyms for Flask. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/flask
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