cubic

1 of 2

adjective

cu·​bic ˈkyü-bik How to pronounce cubic (audio)
Synonyms of cubicnext
1
: having the form of a cube : cubical
2
a
: relating to the cube considered as a crystal form
b
: isometric sense 1
3
a
: three-dimensional
b
: being the volume of a cube whose edge is a specified unit
cubic inch
4
: of third degree, order, or power
a cubic polynomial

cubic

2 of 2

noun

: a cubic curve, equation, or polynomial

Examples of cubic in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Push a button and the headrests fold down, revealing a little more than 4 cubic feet of storage space behind the seats. — Jason Barlow, Robb Report, 7 July 2026 One patch of material was over 4 kilometers long, and the researchers estimate the total amount of new material at about 150 million cubic meters. — John Timmer, ArsTechnica, 8 July 2026
Noun
If my math is accurate, 1 cubic yard of compost will provide enough top dressing for 650 square feet of lawn. — Calvin Finch, San Antonio Express-News, 30 Jan. 2026 That leaves cubics, the stubborn holdouts of the polynomial universe. — Quanta Magazine, 9 July 2013 See All Example Sentences for cubic

Word History

First Known Use

Adjective

15th century, in the meaning defined at sense 1

Noun

1799, in the meaning defined above

Time Traveler
The first known use of cubic was in the 15th century

Phrases Containing cubic

Rhymes for cubic

See All Rhymes for cubic

Browse Nearby Words

cubi-
cubic
cubical
See all Nearby Words

Cite this Entry

“Cubic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cubic. Accessed 10 Jul. 2026.

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Kids Definition

cubic

adjective
cu·​bic
ˈkyü-bik
variants also cubical
-bi-kəl
1
: having the form of a cube
2
a
: having length, width, and height
b
: relating to volume
3
: being or having the volume of a cube whose edge is a specified unit
cubic centimeter
cubic inch
cubically
-bi-k(ə-)lē
adverb

More from Merriam-Webster on cubic

Thesaurus: All synonyms and antonyms for cubic

Nglish: Translation of cubic for Spanish Speakers

Last Updated: - Updated example sentences
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