"Outright refusal" means to reject or decline something completely and without any hesitation or compromise.
Sentences with «outright refusal»
Those hostile to the fork are themselves torn between outright refusal and suggestions for future acceptance. (simplybitcoins.com)
If asked to do something that he or she doesn't want to do, the response is usually outright refusal. (empoweringparents.com)
Ironically, I've had friends and doula clients ask their doctors to do this microbe swab after a cesarean and several were met with disgust and outright refusal from the doctors because «that is disgusting.» (wellnessmama.com)