Empty
Empty verb - To remove the contents of.
Flatten and empty are semantically related in let the air out topic. In some cases you can use "Flatten" instead a verb "Empty".
Flatten
Flatten verb - To make free from breaks, curves, or bumps.
Empty and flatten are semantically related in let the air out topic. Sometimes you can use "Empty" instead a verb "Flatten".
Common collocations
Both words in one sentence
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This resulted in some very embarrassing defeats for Eggman, such as a Metal Sonic that was specifically designed to be good at fighting Sonic... only for Amy to come along and flatten it like a empty drink can with her hammer.
Source: Crippling Overspecialization -
Obvious Rule Patch: When Malcolm gets a job at the Lucky Aid, he is directed to move a pile of empty boxes downstairs to a box flattening area, flatten them, bring them back upstairs, and deposit them in a dumpster outside.
Source: Series / Malcolm in the Middle
Cite this Source
Flatten and Empty. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/empty/flatten
Empty & Flatten. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/empty/flatten>.
Flatten or Empty. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/empty/flatten.
Google Ngram Viewer shows how "empty" and "flatten" have occurred on timeline