Plaguelike refers to the disastrous and calamitous nature of a situation. Synonyms of the word include catastrophic, devastating, disastrous, ruinous, and calamitous. These words convey the severity and seriousness of a situation that resembles a plague, leaving behind destruction and chaos. Other synonyms for plaguelike include dire, menacing, ominous, and threatening. The use of these words is appropriate when describing situations such as pandemics or natural disasters that can cause widespread destruction and loss of life. Overall, the use of these synonyms can help to highlight the magnitude of the situation and its impact on people and the society as a whole.