Mass and Size


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Mass noun – A considerable amount.
Size is a synonym for mass in extent topic. In some cases you can use "Size" instead a noun "Mass", when it comes to topics like dimension, volume, bulk, weight.
Nearby Words: massed, massing, massive
Synonyms for Mass


Show Definitions
Size noun – The total amount of measurable space or surface occupied by something.
Usage example: we worried that the immense size of the sofa would make getting it through the doorway impossible

Mass is a synonym for size in volume topic. You can use "Mass" instead a noun "Size", if it concerns topics such as extent, dimension, dimensions, big.
Nearby Words: sized, sizing, sizeable
Synonyms for Size

How words are described

high high mass high size
physical physical mass physical size
full full mass full size
similar similar mass similar size
Other adjectives: total, original, sufficient, sheer, small, large, big, increased, great, enormous, huge, tiny, general, extra, significant, gigantic, immense, greater, larger, smaller, different, giant, bigger.

Common collocations

tons mass tons size tons
lots mass lots size lots

Both words in one sentence

  • Recursive Reality The Universe has about the size and mass of a really big black hole (which need not be very dense).
  • The animal in question must be similar in size and mass, presumably averting Shapeshifter Baggage.
  • Shapeshifter Baggage Originally in Animorphs, the size/mass changing was essentially handwaved by explaining that a character's DNA is "rebooted" every time they transform.
Cite this Source
Size and Mass. (2016). Retrieved 2021, October 23, from
Mass & Size. N.p., 2016. Web. 23 Oct. 2021. <>.
Size or Mass. 2016. Accessed October 23, 2021.

Synonyms for mass
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Synonyms for size
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Google Ngram Viewer shows how "mass" and "size" have occurred on timeline: