- coy, demure, overmodest - affectedly modest or shy especially in a playful or provocative way
Antonym: immodest (indirect, via modest)
- coy - showing marked and often playful or irritating evasiveness or reluctance to make a definite or committing statement; "a politician coy about his intentions"
Antonym: definite (indirect, via indefinite)
- coy - modestly or warily rejecting approaches or overtures; "like a wild young colt, very inquisitive but very coy and not to be easily cajoled"
Antonym: bold (indirect, via timid)