hexagonal

adjective

hex·​ag·​o·​nal hek-ˈsa-gə-nᵊl 

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

hek-ˈsa-gə-nᵊl-ē 

adverb

Examples of hexagonal in a Sentence

Recent Examples on the Web

Case in point: last year’s high jewelry rose gold bib necklace, a design priced over 650,000 euros that featured 400 diamonds, including 10 in Chaumet’s hexagonal Impératrice cut, for a total of more than 43 carats. —Lily Templeton, WWD, 5 Mar. 2025

The preliminary design for the spacecraft, including hexagonal sun shields that will help keep the instruments cool. —Denise Chow, NBC News, 26 Feb. 2025

Researchers grew a synthetic diamond that’s harder than natural ones by heating and compressing graphite in such a way that the diamond is formed with a hexagonal lattice, rather than the cubic shape found in nature. —Alex Knapp, Forbes, 21 Feb. 2025

The hexagonal design sets it apart from more traditional styles and adds texture to rooms. —Megan Schaltegger, People.com, 16 Feb. 2025

Word History

First Known Use

1571, in the meaning defined at sense 1

Rhymes for hexagonal

• diagonal
• octagonal
• tetragonal

Kids Definition

hexagonal

adjective

hex·​ag·​o·​nal hek-ˈsag-ən-ᵊl 

1

: having six angles and six sides

2

: having a hexagon as a section or base

a hexagonal prism