The antonyms for the word "more imperceptive" are "keen," "perceptive," "sensitive," "observant," and "attentive." These words describe an individual who has a sharp or discerning awareness of their surroundings or situation. They are acutely aware of subtle changes and are quick to interpret new information. In contrast, "imperceptive" implies a lack of understanding or insight. It describes an individual who is dull-witted or slow to comprehend what is happening around them. The antonyms for "more imperceptive" accurately describe someone who is knowledgeable and intuitive, with a heightened awareness of the world around them.