Definify.com
Definition 2025
-gonal
-gonal
English
Suffix
-gonal
-  Used to form adjectives describing related nouns ending in -gon.
- octagonal
 
 
Related terms
- decagonal
 - dodecagonal
 - heptagonal
 - hexagonal
 - icosagonal
 - nonagonal
 - octagonal
 - pentagonal
 - polygonal
 - undecagonal