The phrase "only human" refers to the idea that people are fallible and make mistakes. There are many synonyms for this expression, including "imperfect," "flawed," "vulnerable," "erroneous," and "impermanent." Other phrases with similar meanings include "not infallible," "not perfect," "liable to error," and "subject to weaknesses." While this expression implies shortcomings, it also suggests a sense of empathy and understanding toward one another's faults. Ultimately, no one is perfect, and acknowledging our human limitations can create a sense of connection and compassion for others.