To be consonant means to be in agreement or harmony with something. The antonyms for this phrase include being incongruous, discordant, or incompatible. When something is incongruous, it is out of place or does not fit in with its surroundings. Discordant means that there is a lack of agreement or harmony, often resulting in conflict or tension. Incompatible refers to things that cannot coexist or work together due to fundamental differences. These antonyms highlight the importance of agreement and harmony in various contexts, especially in relationships, communication, and teamwork. It is essential to identify and address any incongruencies, discordance or incompatibilities to ensure a positive outcome.