Related Clues:

• Retiring in order, mainly, to pen note
• Lacking courage, I’m one hiding in study regularly
• Like Caspar Milquetoast
• Appealingly shy
• Very shy
• Playfully innocent
• In short spell, I had easily dominated
• Coquettishly playful
• Adjective for a mouse
• Shy man with ID
• Shy and tiny character joined rejected girl
• Shy type limps out of Olympics
• Playing hard to get, say
• Coquet-tish
• Shy, in a flirty way