wary
adjective
[ ˈwɛːri ]
• feeling or showing caution about possible dangers or problems.
• "dogs which have been mistreated often remain very wary of strangers"
Similar:
cautious,
careful,
circumspect,
on one's guard,
chary,
alert,
on the alert,
on the lookout,
on the qui vive,
prudent,
attentive,
heedful,
watchful,
vigilant,
observant,
wide awake,
on one's toes,
cagey,
suspicious,
distrustful,
mistrustful,
sceptical,
doubtful,
dubious,
guarded,
leery,
Origin:
late 15th century: from ware2 + -y1.