What is an antonym for plenum?
Possible antonyms include vacuum.
(physics) A space that is completely filled with matter.
Common opposites include vacuum.
Related dictionary entries include tank, box, chamber, air, house, dispatcher.
A related word is not always a direct replacement. Compare its definition, grammar, tone, and sentence context first.
Possible antonyms include vacuum.
Relationships are shown only after the shared lexical validator accepts them. A suggestion is not automatically an exact replacement.