The word "menseless" means lacking in manners or uncivilized. Its antonyms can include words like refined, cultured, well-mannered, and polite. Other antonyms for "menseless" include words like cordial, courteous, gracious, genteel, and tactful. These words are often used to describe people who exhibit good breeding, manners, and social grace. Additionally, antonyms for "menseless" may include words like considerate, thoughtful, and compassionate. These words describe someone who is empathetic and mindful of others' feelings and needs, as opposed to someone who is brash, unkind, or disrespectful.