Disconsonant is a relatively uncommon term in the English language, meaning something that is not in agreement or harmony with something else. Synonyms for disconsonant can include words such as discordant, dissonant, incongruent, incompatible, and contradictory. Discordant implies a jarring or unpleasant combination of sounds or ideas, while dissonant suggests a lack of agreement or harmony. Incongruent describes something that does not fit or correspond well with something else, while incompatible suggests an inability to coexist or work together. Finally, contradictory implies a direct opposition or inconsistency between two things. These synonyms can be useful in describing a variety of situations in which something is not in agreement or harmony with another thing.