The antonyms for the phrase "more glancing" might include focused, concentrated, attentive, fixed, or steady. These words describe characteristics that are the opposite of being glancing, which typically implies a quick or cursory look or observation. When someone is focused or attentive, they are giving something their full attention, whereas a glancing look might just skim the surface. Similarly, the antonym fixed implies a more prolonged and deliberate observation, while a steady gaze suggests a composed and intentional approach to looking at something. Overall, these antonyms reflect a more thoughtful and deliberate way of engaging with the world around us.