The word "more discerned" refers to greater perception or insight. Its antonyms, therefore, would be words that mean the opposite of that, like ignorant, unaware, unobservant, or inattentive. Other antonyms for "more discerned" could include words such as dull, indifferent, oblivious, indifferent, or careless. These antonyms all suggest a lack of attention or ability to perceive detail, which is the opposite of being more discerned. It is important to understand the nuances of language in order to use it effectively, and knowing antonyms can be useful for adding contrast and depth to your writing.