hexagonal

adjective

hex·​ag·​o·​nal hek-ˈsa-gə-nᵊl How to pronounce hexagonal (audio)
1
: having six angles and six sides
2
: having a hexagon as section or base
3
: relating to or being a crystal system characterized by three equal lateral axes intersecting at angles of 60 degrees and a vertical axis of variable length at right angles
hexagonally adverb

Examples of hexagonal in a Sentence

Recent Examples on the Web
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Part of the Hong Kong UNESCO Global Geopark, this trail is a geological wonderland, boasting hexagonal rock columns and secret caves that wouldn't look out of place in a dinosaur's backyard. Condé Nast Traveler, 22 Feb. 2026 One of the units had a series of hexagonal mirrors ascending the stairway. Sacbee.com, 21 Feb. 2026 Here, gold grout pops against ocean-blue hexagonal tiles for a striking look. Alexandra Kelly, Martha Stewart, 20 Feb. 2026 In another, a man faces a wall in a hexagonal room. Literary Hub, 19 Feb. 2026 See All Example Sentences for hexagonal

Word History

First Known Use

1571, in the meaning defined at sense 1

Time Traveler
The first known use of hexagonal was in 1571

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Cite this Entry

“Hexagonal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hexagonal. Accessed 2 Mar. 2026.

Kids Definition

hexagonal

adjective
hex·​ag·​o·​nal hek-ˈsag-ən-ᵊl How to pronounce hexagonal (audio)
1
: having six angles and six sides
2
: having a hexagon as a section or base
a hexagonal prism

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