indefinite
canny
careful
cautious
circumspect
constrained
cool
deliberate
discreet
gingerly
guarded
heedful
hesitant
incommunicable
judicious
leaving out nothing
mindful
on guard
overlooking no possibility
pawky
politic
precautional
precautionary
precautious
prudent
regardful
reserved
restrained
safe
slow to act
tentative
thorough
unadventurous
uncommunicative
undaring
unenterprising
unprecipitate
wary
watchful
acquiescent
apologetic
bemused
bootlicker
conciliatory
consequential
conspiratorial
cryptic
deadspeak
deprecatory
disapprove
dismissive
edacious
emotionless
equivocal
even-toned
expressionless
fact-free
hand-knitted
impolite
incredulous
interrogatory
laconic
nonchalant
offhand
offhanded
poker-faced
quizzical
regretful
uncomprehending
unemotional
unenthusiastic
unfocused
ungracious
unhelpful
unperturbed
unreadable
worrier
acquittal
belittle
bittle
brittle
committal
kittel
kittle
knittle
little
pittle
skittle
smittle
spittle
tittle
transmittal
vittle
whittle