To raise an eyebrow is to lift one brow in doubt or surprise. Raise an eyebrow at the price.
It is the smallest possible comment and often the most effective. Something that makes people raise an eyebrow has caused mild disapproval rather than any real objection.
1phraseraise an eyebrowTo lift one brow in doubt or surprise.
“The figure was enough to raise an eyebrow across the whole table.”
raise an eyebrow is a gesture.
Practised in Body Language & Gestures