Onos is a Greek word which means burden, trouble, or load. Synonyms for the word onos include weight, cargo, responsibility, encumbrance, handicap, impediment, inconvenience, and millstone. These synonyms embody the same concept of something that is difficult to carry or manage, or something that poses a challenge. Each synonym carries a nuanced connotation that describes the specific nature of the burden involved. For example, weight is something that is heavy or oppressive, while responsibility suggests an obligation to meet certain standards. The use of synonyms allows for more precise communication and provides a range of options depending on the context.