The quality of being brothers or brotherly; brotherhood. / A group of people associated for a common purpose.

Of or pertaining to a brother or brothers. / Of or pertaining to a fraternity. / Platonic or friendly.

A society formed to provide mutual aid, such as insurance. / A fraternal twin.

The act of fraternizing or uniting as brothers. / Having a friendly relationship with the enemy.

(chiefly British spelling) Alternative spelling of fraternization

Any kind of sexual relations between two or more individuals.

In a fraternal manner.

A person who fraternizes.

plural of fraternizer

plural of fraternity