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