friendly

1. 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.

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

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

   Your cat seems very friendly.

2. Inviting, characteristic of friendliness.

   He gave a friendly smile.

3. Having an easy or accepting relationship with something.

   a dog-friendly café

4. Without any hostility.

   a friendly competition

5. Promoting the good of any person; favourable; propitious.

   a friendly breeze or gale

6. Of or pertaining to friendlies (friendly noun sense 2, below). Also applied to other bipolar confrontations, such as team sports

   The soldier was killed by friendly fire.

7. Being or relating to two or more natural numbers with a common abundancy.

   friendly

8. (in compounds) Compatible with, or not damaging to (the compounded noun).

   Organic farms only use soil-friendly fertilisers.

adverb

In a friendly manner, like a friend.