The phrase "extravagant claims" refers to statements or assertions that are excessive, exaggerated, or overly dramatic. These claims often go beyond what is considered reasonable or believable. Full definition
Yes, one must be cautious about making extravagant claims. (religion-online.org)
We aren't here to make extravagant claims or promise our software will make anyone rich. (haasonline.com)
His essay represents the worst case of rebuttal — he starts with political agenda, consensus, Kyoto, and then then upfront accuses Dr. Jaworowski with «extravagant claims of bias and dishonesty in the scientific community». (realclimate.org)