suss
sussy
supersuspicious
smell fishy
hinky
oversuspicious
mistrust
suspiciously
smell a rat
fishy
jealous
out of the corner of one's eye
suspicionful
sus
suspect
suspectingly
oversuspiciously
suspicious
suspicion
doubtful
dubious
horror story
suspiciousness
mislippen
superdubious
cat in the sack
underlook
arcane
trifling
compromising
suspicional
jalouse
intruded
suspectedly
spooksome
creepoid
creepazoid
ghostly
convenient
shy
beady-eyed
enigmatic
muttering
suspectable
in question
ultraparanoid
querulent
dubitable
smelly
so-called