The word "un congenial" means unfriendly or incompatible, and its antonyms are congenial, friendly, and affable. People who are congenial are pleasant to be around, and their company is enjoyable. A friendly person is sociable, kind, and amiable, making them easy to approach and communicate with. Affable individuals are genial, good-natured, and charming, and they are able to put others at ease. Antonyms for "un congenial" allow people to express their positive characteristics and attitudes, making them more approachable and likable to others. When we are congenial, friendly, and affable, we create better relationships with people around us, leading to happier and more fulfilling lives.