Fraternal – Of or like a brother or brothers

To remember the definition of the word fraternal, use the following mnemonic:

His front door was eternally (fraternal) open because he wanted to be like a brother to everyone.

Examples of fraternal in a sentence

Even though they hadn't known each other long, the friends shared a fraternal bond.

He might be related by blood, but I don't have any fraternal feelings towards him.

He swore his feelings towards his friend were strictly fraternal, but everyone knew they were more romantic.