The phrase "without distraction" can be replaced with a variety of synonyms for greater clarity of expression. Among the possibilities is "undisturbed," which speaks to a state of quiet calm and uninterrupted focus. "Uninterrupted" and "unperturbed" also convey a sense of steadiness and consistency in attention. Another option is "undivided attention," which emphasizes the singular nature of the focus, while "concentrated" or "centered" highlight the intense and directed nature of the mental state. Finally, "immersed" can be used to suggest a state of complete absorption and immersion in a task or activity. Choosing the right synonym can help convey the precise tone and message desired.