askance

 
Pronunciation: /əˈskans, əˈskɑːns/
(also askant /-ˈskant, -ˈskɑːnt/)

adverb

  • with an attitude or look of suspicion or disapproval: the reformers looked askance at the mystical tradition a waiter looked askance at his jeans

Origin:

late 15th century: of unknown origin