|Origin:||ware 'careful' (11-20 centuries), from Old English wær|
be wary of (doing) something
I'm a bit wary of driving in this fog.
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
She eyed him warily.