There seems to be a blindoptimism that it isn't really all over.
Times, Sunday Times (2013)
This blindoptimism has been replaced by something far healthier this time.
The Sun (2014)
That belief is founded on quiet confidence rather than blindoptimism.
Times, Sunday Times (2013)
Definition of 'optimism'
optimism
(ɒptɪmɪzəm)Explore 'optimism' in the dictionary
uncountable noun
Optimism is the feeling of being hopeful about the future or about the success of something in particular.
Definition of 'blind'
blind
(blaɪnd)Explore 'blind' in the dictionary
adjective [usually ADJECTIVE noun]
You can describe someone's beliefs or actions as blind when you think that they seem to take no notice of important facts or behave in an unreasonable way.