Related Clues:

• Reclusive
• Meek
• Biblical heirs, with "the"
• Hardly warlike
• Forbearing
• Not forward
• Not open
• Overly compliant
• Lacking courage
• Far from a drama queen
• Earth's heirs?
• Not quite enough
• Averse to first moves, e.g.
• Not made of brass
• Like many a wallflower