The phrase "am out of" can be easily replaced with a variety of synonyms to enhance your written and spoken vocabulary. Some alternatives to consider include "have exhausted," "have depleted," "have run out of," "have utilized all of," "have used up," "have consumed," and "have emptied." These replacements can help to avoid repetition and add depth to your language use. For example, instead of saying "I am out of time," you could say, "I have utilized all of my time." These simple substitutions can make a significant impact on the clarity and effectiveness of your communication.