| Noun | 1. | heft - the property of being large in massheaviness, weightiness - the property of being comparatively great in weight; "the heaviness of lead" | |
| Verb | 1. | heft - lift or elevateupheave - lift forcefully from beneath lift - take hold of something and move it to a different location; "lift the box onto the table" | |
| 2. | heft - test the weight of something by lifting itlibrate, weigh - determine the weight of; "The butcher weighed the chicken" | |