1The opposition leader was quick to gainsay the government's claims of economic growth, citing statistics that told a different story.
2It is difficult to gainsay the evidence presented in the report, which clearly indicates a link between climate change and rising sea levels.
3The philosopher's argument was so convincing that it was hard to gainsay her conclusion, despite initial reservations.
4The journalist's attempt to gainsay the politician's statement was met with hostility and defensiveness.
5There is no need to gainsay the importance of preserving cultural heritage, but we must also consider the economic realities of doing so.