Quizzical means showing mild puzzled amusement. A quizzical look, a quizzical eyebrow, quizzical expression.
It attaches almost entirely to looks, expressions and eyebrows, and it describes a face asking a question without a word being said. It is friendly rather than critical: a quizzical look invites an explanation instead of demanding one.
1adjectivequizzicalShowing mild puzzled amusement.
“She raised a quizzical eyebrow when I told her I'd taken up knitting.”
quizzical is a quality.
From quiz + -ical.
Etymology from Wiktionary, CC BY-SA