Finding congenial can have its antonyms, which would indicate a lack of compatibility or agreement. These antonyms include finding unappealing, incompatible, unfriendly, unsuitable, and disagreeable. When one finds something or someone congenial, it means that there is a sense of harmony, similarity in taste or ideas, and a deep sense of empathy. Its antonyms, on the other hand, could mean finding something dull, discordant or simply not enjoyable. It could also imply that the person or the situation is not suitable or fit for one's taste or preference. Therefore, knowing the antonyms of finding congenial provides a better understanding of what greatly affects one's perception towards anything.