Definition of heftiness in English:

heftiness

noun

  • See hefty

    • ‘My personal opinion of his politics aside, he certainly touches on some weighty topics - terrorism, drugs, racism - but I found that his jokes didn't offset the heftiness of their targets.’
    • ‘It weighs 1,670 kg, low for a car of this heftiness.’
    • ‘Neither one was portly, but they did have a certain amount of heftiness about them.’
    • ‘I like to use 14-gauge wire because of its heftiness and it looks great after it has been hammered.’