heft

1. The feel of the weight of something; heaviness. (countable, uncountable) · A high quality hammer should have good balance and heft.
2. Graveness, seriousness; gravity. (countable, figuratively, uncountable)
3. Importance, influence; weight. (countable, figuratively, uncountable)
4. The greater part of something; the bulk, the mass. (US, countable, dated, informal, uncountable)

Plural hefts