Definition of "friendly" in English

adjective

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 user-friendly software program
   • a dog-friendly café
   • the use of environmentally friendly packaging

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

   • The cobbled streets aren't very bike-friendly.
   • Organic farms only use soil-friendly fertilisers.
   • Our sandwiches are made with dolphin-friendly tuna.

5. Without any hostility.

   • a friendly competition
   • a friendly power or state

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

   • a friendly breeze or gale

7. (usually military) 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.

8. (number theory) Being or relating to two or more natural numbers with a common abundancy.

   • friendly
   • friendly pairs
   • friendly n-tuples

noun

1. (sports) 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 as one's own in a conflict.

adverb

1. In a friendly manner; like a friend.