1. In a productive way
   - productively, profitably, prolifically

Antonym: fruitlessly

• 1 Samuel
• 1-dodecanol
• 1-hitter
• 10
• 10-4
• 10-membered
• 100
• 1000
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• 100000
• 1000000
• 10000000
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• 1000000000000
• 1000th
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• 101
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• 11
• 11 November
• 11-plus
• 110