The phrase "am alive with" typically means to be buzzing with energy, excitement or activity. Antonyms for this phrase could include "dead," "still," "quiet," "dull," or "lifeless." When we use antonyms to describe such scenarios, we could say that a room is "dead" instead of "alive," or a street is "quiet" instead of "buzzing with activity." Using antonyms allows us to communicate the opposite of a particular situation, often highlighting a lack of activity or energy in a given environment. Despite the less optimistic connotations, antonyms serve as a useful tool to describe a range of different scenarios.