Hefty (adjective)

1. Large and heavy in size or weight.
2. Substantial in amount or cost.

Origin:

The word "hefty" is an alteration of the word "heavity" which means "having weight" it is first recorded in the early 19th century in the united states.

Examples:

1. The hefty bag of groceries was difficult to carry.
2. The hefty sum of money was required to buy the new car.
3. The hefty fine for littering was a deterrent.
4. The hefty book was hard to hold for long periods of time.
5. The hefty price tag made the artwork out of reach for most buyers.