Definition of "Coy" :
adjective: modestly or warily rejecting approaches or overtures
"Like a wild young colt, very inquisitive but very coy and not to be easily cajoled."
adjective: showing marked and often playful or irritating evasiveness or reluctance to make a definite or committing statement
"A politician coy about his intentions."
adjective: affectedly modest or shy especially in a playful or provocative way