Which term describes someone who is flirtatiously shy or modest?

The term "coy" effectively describes someone who exhibits a flirtatiously shy or modest demeanor. It implies a playful shyness that can often be charming and inviting, particularly in social interactions. A coy person might appear reserved or naïve on the surface but is engaging enough to attract attention, often using subtle gestures or glances to communicate interest. This characteristic sets "coy" apart from other terms that do not capture the blend of shyness and flirtation.

In contrast, the other terms convey different meanings. "Shameless" suggests a lack of modesty or restraint, which contradicts the idea of being shy or modest. "Bold" denotes confidence and assertiveness, lacking the modesty element. "Arrogant" implies an inflated sense of self-importance, again moving away from the notion of modesty. Therefore, "coy" is the right choice as it perfectly encapsulates the intended balance between modesty and flirtation.