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Definition of compactness

compactness

/kəmˈpækt.nəs/
com · pact · ness
Adverb:compactly
•
Adjective:compact
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compactness Lexical Profile

compactness Game Scores & Validity

• noun

1

The state or quality of being closely and neatly packed together, or of occupying a small and efficient space.

Example

"The compactness of the portable folding bicycle makes it ideal for commuters who use public transit."

2

Conciseness and brevity in speech, writing, or artistic expression.

Example

"Critics praised the essay for its intellectual rigor and admirable compactness of style."

3

A topological property of a space or set whereby every open cover has a finite subcover, generalizing the notion of a closed and bounded subset of Euclidean space.

Example

"In real analysis, the compactness of a closed interval ensures that any continuous function defined on it attains a maximum and minimum value."

Synonyms
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Antonyms
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• Rhymes for compactness

• Nearby Words

compact
compaction
compactly
compactness
compactor
compadre
companion

Cite this Entry

Wordmom. (2026). Definition of Compactness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/compactness
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