- fraternal - of or relating to a fraternity or society of usually men; "a fraternal order"
- fraternal, biovular - (of twins) derived from two separate fertilized ova; "fraternal twins are biovular"
Antonyms: identical, monovular
- brotherly, brotherlike, fraternal - like or characteristic of or befitting a brother; "brotherly feelings"; "close fraternal ties"
- fraternal, biovular - (of twins) derived from two separate fertilized ova; "fraternal twins are biovular"