The term "overwhelming evidence" refers to a large amount or body of evidence that is so compelling and convincing, it strongly suggests something to be true. This type of evidence typically comes from multiple sources and supports a particular claim or theory with a high degree of certainty. In legal proceedings, overwhelming evidence can help prove guilt beyond a reasonable doubt, while in scientific research, it may provide strong support for a hypothesis or conclusion. Overall, the phrase "overwhelming evidence" indicates that there is a significant amount of proof pointing towards something being true or accurate.