A game which is of no consequence in terms of ranking, betting etc.

“This match is merely a friendly, so don't worry too much about it.”

A person or entity on the same side in a conflict.

Generally warm, approachable and easy to relate with in character.

“Your cat seems very friendly.”

Inviting, characteristic of friendliness.

“He gave a friendly smile.”

Having an easy or accepting relationship with something.

“a dog-friendly café”