war ‧ y /ˈweəri $ ˈweri/ BrE AmE adjective
[ Date: 1400-1500 ; Origin: ware 'careful' (11-20 centuries) , from Old English wær ]
someone who is wary is careful because they think something might be dangerous or harmful
be wary of (doing) something
I’m a bit wary of driving in this fog.
wary of
We must teach children to be wary of strangers.
Keep a wary eye on the weather before you set sail.
She had a wary expression on her face.
—wariness noun [singular, uncountable] :
a wariness in her voice
—warily adverb :
She eyed him warily.