The word "retiringness" refers to the quality or state of being shy, introverted, or prone to withdrawing oneself from social situations. Synonyms for this word include timidity, meekness, shyness, introversion, reserve, reticence, modesty, bashfulness, diffidence, and withdrawal. These words all describe a tendency to be quiet and reserved in social situations, and to avoid drawing too much attention to oneself. While some people may see these traits as negative, others value them as signs of humility, thoughtfulness, and sensitivity. Ultimately, the choice of words to describe retiringness will depend on the context in which they are used, and the attitudes and beliefs of the speaker or writer.