gainsaying
negative
negation
disaffirmation
negate
contradict
contravene
traverse
nonacceptation
denying
disaffirmance
denialist
denyingly
redenial
repudiate
antitruth
redeny
absque hoc
refute
blessed
hanged
irrefutable
incontrovertible
positive
discredit
disbelieve
denier
nihilism
rats
mind-frying
despite
gimme a break
get away
unverity
denialistic
truthlessly
nonassumption
mistruth
pejorative
dislogistic
red light
unrealist
dyslogistic
misbelieving
rejection
anti-supernaturalist
horsefeathers
willing suspension of disbelief
diametrical
nescient