1. the number 70

1. the numbers from 70 to 79, especially when referring to someone’s age or to years in a century

Examples

• There are seventy students in the graduating class.
• She counted seventy sheep in the field.
• My grandfather is in his seventies.
• The temperature reached seventy degrees today.
• He lived through the nineteen seventies.
• Seventy percent of the votes have been counted.
• The speed limit is seventy miles per hour on this highway.