Word.ws English Dictionary

Synonyms of vacuum

6 similar words · 1 opposite word

Another word for vacuum is void. Other synonyms of vacuum are vacancy. The opposite of vacuum is plenum.

Synonyms and similar words for vacuum

nounA region of space that contains no matter.

verbTo clean (something) with a vacuum cleaner.

  • hoover BritishTo clean (a room, etc.) with a vacuum cleaner, irrespective of the brand.

verbTo use a vacuum cleaner.

  • to do the hoovering British
  • to hoover British

nounOf spacetime or a field.

  • vacuum state

Opposite of vacuum

nounA region of space that contains no matter.

  • plenumA space that is completely filled with matter.

Meaning of vacuum

  1. noun A region of space that contains no matter.
  2. noun The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, such as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.
  3. noun A spacetime having tensors of zero magnitude.

Full definition of vacuum

vacuum in other languages

Questions about synonyms of vacuum

What is another word for vacuum?
Vacuum has 6 synonyms on Word.ws, such as void and vacancy.
What is the opposite of vacuum?
The opposite of vacuum is plenum.
What does vacuum mean?
Vacuum means a region of space that contains no matter.

Source and license

Adapted from Wiktionary: vacuum (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this page: “Synonyms of vacuum.” Word.ws, https://word.ws/synonyms/vacuum. Based on Wiktionary, CC BY-SA 4.0.