More slatternly refers to someone or something that is messy, untidy, or unkempt. Antonyms for the word "more slatternly" would be neat, tidy, orderly, clean, or well-kept. These words depict a sense of organization, cleanliness, and attention to detail regarding one's appearance, habits, or surroundings. An individual who is well-groomed and well-organized may be seen as responsible, efficient, or professional. In contrast, someone who is more slatternly may create a negative impression or undermine their credibility in professional or social contexts. Using antonyms of more slatternly can help one improve their appearance, habits, or surroundings and convey a positive image to others.