Antonyms for the phrase "hast confidence in" could include an array of negative expressions such as mistrust, doubt, distrust, suspicion, disbelief, uncertainty, or skepticism. These terms describe a lack of confidence or trust in something or someone, suggesting a feeling of insecurity or hesitation. While having confidence brings a sense of assurance, courage, and positivity, the lack of confidence can hamper an individual's progress or growth. It is, therefore, essential to foster a positive approach towards life, people, and events to overcome negative emotions like mistrust, doubt, and suspicion. One can cultivate a positive attitude by focusing on the good, venturing new challenges, and taking calculated risks.