1. lifts or carries something heavy
Usage: third person singular present
2. tests the weight of something by lifting it
Usage: third person singular present

1. weights or heaviness of objects
Usage: plural form

Examples

• She hefts the heavy box onto the shelf.
• The worker hefts each bag to check its weight.
• He hefts the baseball bat before stepping up to plate.
• The farmer hefts the sack of grain with ease.
• She hefts the book to see if it’s worth buying.
• The different hefts of the dumbbells are clearly marked.
• These tools have substantial hefts that make them durable.