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