The phrase "not a prayer" often denotes a sense of hopelessness or futility. However, there are a number of antonyms that suggest a more optimistic or optimistic view. Some antonyms could include "good chance," "definite possibility," "high hopes," "likely outcome," or "probable success." These alternative phrases convey a sense of positivity or confidence, which can help to counteract the negative connotations of "not a prayer." By incorporating these antonyms into our vocabulary, we can shift our mindset and approach challenges with a more resilient and determined attitude.