Definition of gainsayer in English:
gainsayer
noun
formal See gainsay
‘The Pope's funeral illustrated just how important religion still is to us all, whatever the gainsayers would have you believe’
- ‘And with God as his ally, he can face the multitude of enemies and gainsayers who threaten him everywhere.’
- ‘The phlegmatic attitude of continental Europeans to the euro puts British gainsayers to shame’
- ‘Both schools attempt to defend the faith from the gainsayer, the naturalist, the rebel.’
- ‘In other words, these days a Luddite is (unfairly so) an automatic gainsayer against the march of technology.’