overpessimistic
glass-half-empty
overpessimism
pessimistically
crapehanging
negative
crapehanger
conservative
calamitist
negaholism
skeptically
Eeyorish
zetetic
negativity
bearish
skeptimistic
negativism
overskeptical
progressophobe
antiempirical
skeptic
pessimize
pessimistic
against all odds
pyrrhonize
from Missouri
unsettled
declinism
negative Nancy
sceptically
with all the salt in the Dead Sea
short
problematical
scepticalness
scepticality
dubitative
Eeyore
on opposite sides of the barricades
antiskepticism
miserabilist
mysticism
antispeculative
doomwatch
misgivingly
gloomleader
wavering
hang over one's head
scruple
aporetical
dubious
disbelieving
starry-eyed
antiexclusion
antispeculation
indecisive
skepticalness
question
doubtworthy
wonder
aporetic
distinctiveness
doomist
doubtful
unimpeachable
disparateness
addubitation
skeptimist
unintuitive
skepticality
ehm
unassurance
Pollyannaish
improbatory
counter
when in doubt, do nowt
pray tell
divarication
fishy
disapprobative
overspeculation
unpessimistic
nonspeculation
opposable
overchance
famous last words
opposit
oh
rush to judgement
redenial
speculatory
downbeat
misgive
health warning
often wrong, never in doubt
with a grain of salt