Inconcinnate is a rare and obscure word that is not commonly used in everyday language. It means uneven, awkward, and lacking in harmony or symmetry. Some synonyms for inconcinnate include ungainly, unseemly, clumsy, inelegant, odd, mismatched, discordant, and unsightly. These words all convey the same sense of something that is not aesthetically pleasing, either due to an imbalance or due to a lack of coherence. While inconcinnate is a specific and nuanced term, these synonyms offer a range of options for expressing similar ideas in more accessible language.