Related Clues:

• Decimal point is great
• Passionate and twisted, loves net night clothes
• Extreme at home with unruly teens
• Highly focused
• Serious tennis played by European
• Causing white knuckles, say
• Popular teens contrary and extreme
• Passionate batting perfect, perhaps?
• Strong; extreme
• Powerful batting, past, present or future?
• Concentrated, as the decimal system is initially easy to follow
• "Ooh, fun!"
• Extremely earnest or serious
• Great decimal point
• Strong decimal point