She gave him a coy smile.
She looked at him with a coy smile before approaching.
Your buddy is being a little coy but he's hung around the wrong people long enough to pick up some information.
My high school girl-boy-how-to book said I should be coy and turn down all last-minute dates.
Carmen smiled in a coy way and leaned toward him.
When he shifted, Jen leaned away with a coy smile and trailed the finger across his lower abdomen, moving around him.
1 Distinguish "coy," affectedly shy or modest, from O.
This page gives an overview of all articles in the 1911 Brittanica which are alphabetized under Coy to Cri.