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

Donezar and Lara also leaned into the home’s original geometry—note the many chamfered corners, the octagonal nightstands in the bedroom, and the hexagonal mirror in the entryway. — Belén Afonso, Architectural Digest, 19 Aug. 2026

To go around it, StemRad’s team broke it apart into hexagonal rods of varying lengths and cross-sections. — Jacek Krywko, ArsTechnica, 13 Aug. 2026

The scientists combined thousands of hexagonal rods of the rigid plastic together like scales to create a flexible garment. — Charles Q. Choi, Space.com, 12 Aug. 2026

The quadrilateral, pentagonal and hexagonal cases all obey this formula, but no larger shapes have been confirmed. — Jack Murtagh, Scientific American, 10 Aug. 2026

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