The antonyms of the phrase "am consistent" include the words "inconsistent," "unreliable," and "irregular," among others. These terms refer to the opposite of being consistent, which is to be unpredictable, unstable, or inconsistent in behavior or actions. An inconsistent person is often seen as unreliable since the lack of consistency can lead to confusion or frustration for others. Similarly, being irregular means that something does not happen with regularity or predictability. These antonyms remind us of the importance of staying consistent with our words and actions to build trust and credibility with others.