Definition of eyebrow-raising in US English:

eyebrow-raising

noun

  • The expression of censure, surprise, or scepticism; an instance of this. Compare to raise one's eyebrows.

adjective

  • 1That expresses censure, surprise, or scepticism, especially habitually or frequently. Compare to raise one's eyebrows. rare.

  • 2Surprising, shocking; causing disapproval or scepticism. Compare to raise eyebrows.

Origin

Late 19th century; earliest use found in Edmund Yates (1831–1894), journalist and novelist. From eyebrow + raising<br>early 20th century. From eyebrow + raising. Compare earlier to raise one's eyebrow(s) (or an eyebrow), eyebrow-raising.

Pronunciation

eyebrow-raising

/ˈʌɪbraʊˌreɪzɪŋ/