The antonyms for the word "wast watchful" are alert, attentive, observant, vigilant, and mindful. Being watchful means being cautious and paying close attention to one's surroundings. Conversely, if one is not watchful, they may be described as careless or negligent. Being alert and attentive means being fully conscious and aware of what's happening around you. Being observant means taking notice of things, while being vigilant means being watchful and alert for potential danger or threats. Finally, being mindful means being attentive to your thoughts, feelings, and sensations in the present moment. All of these antonyms have qualities that are desirable in various situations, whether it's at work, in school, or in personal relationships.