The term "am temperate" refers to a person who is calm and restrained in their behavior or emotions. The antonym of this phrase could be "am impulsive" or "am volatile," which suggests a lack of self-control and a tendency to act without thinking. Another antonym could be "am extreme," which refers to someone who lacks moderation and goes to the opposite end of the spectrum in their actions or beliefs. Someone who is "am intemperate" is also an antonym, as this phrase implies that the person lacks control over their desires and indulges in excess. Overall, there are many antonyms to "am temperate," all of which describe an individual who lacks restraint and moderation.