Akademik

coy

adj. (coyer, coyest)
1 archly or affectedly shy.
2 irritatingly reticent (always coy about her age).
3 (esp. of a girl) modest or shy.
Derivatives:
coyly adv. coyness n.
Etymology: ME f. OF coi, quei f. L quietus QUIET

Useful english dictionary. 2012.