Hefty/ˈhefti/ Definition 1 of 3Pro Tip 1/3Magnitude Emphasis Use 'hefty' to emphasize that something is impressively large or powerful. The truck carried a hefty load across the bridge. Pro Tip 2/3Not Countable 'Hefty' describes uncountable nouns like size or amount, not specific numbers. She received a hefty settlement from the lawsuit. Pro Tip 3/3Positive or Negative 'Hefty' can express a positive aspect of size or a burden, depending on context. A hefty portion of cake versus a hefty workload.