The antonyms for the word "more sharp-eyed" refer to attributes that indicate a lack of attentiveness or awareness. The antonyms can be phrases like less observant, less attentive, less perceptive or more negligent. These terms are often used to describe individuals who are less able to notice details or observe their surroundings accurately, whether it is due to a lack of focus, interest, or training. Antonyms of sharp-eyed are words like careless, indifferent, oblivious, indifferent, imprecise, and absent-minded. Therefore, the antonyms of "more sharp-eyed" describe an individual who is not careful in perception and observation.