The term "secondhand information" refers to information that has been received or passed on from someone else rather than the actual individual who experienced or observed it directly. There are several synonyms for this term such as hearsay, gossip, rumors, and speculation. Hearsay refers to information that has been heard or told secondhand and is often inaccurate. Gossip implies that the information being spread is malicious or untrue. Rumors are often spread without evidence and can be harmful to individuals or businesses. Speculation refers to information that is based on assumptions rather than facts. Overall, it's important to take secondhand information with a grain of salt and verify the accuracy of the information before acting on it.