Related Clues:

• Most modest
• Most bashful
• Least welcoming
• Most slick
• Least affable
• Least forthcoming
• Most diffident
• Most cold, as a gaze
• Most dangerous, as winter roads
• Least likely to take command
• Most treacherous for driving
• Most polar
• Most standoffish
• Most slippery
• Flirtatious to the max