Unseemly is an adjective used to describe behavior or actions that are inappropriate, indecent or unsuitable. It's antonym, meaning behavior or actions that are appropriate, suitable, or decent. Some common antonyms for unseemly include proper, decent, seemly, appropriate, suitable, becoming, fitting, and tasteful. Using appropriate antonyms for unseemly can help to communicate effectively and convey a clear message to the audience. It's important to choose words carefully when speaking or writing to avoid giving the wrong impression. By utilizing antonyms for unseemly, we can convey a positive image, promote ethical behavior and maintain good relationships.