Premonition of hard times means having a feeling or a sense of a forthcoming difficult time. It is an apprehension or warning of an impending crisis that could be challenging to manage. Some synonyms for this phrase include forewarning, premonition, omen, portent, warning sign, apprehension, or premonitory signs. These synonyms carry the same connotation as premonition of hard times, and they can be used interchangeably depending on the context of the sentence. It is essential to pay attention to these signs as they could help us prepare and mitigate potential hardship that may come our way.