hefty
adjective
uk/ˈhefti/ usextremely large:
a hefty 15.9%/30%/54%, etc. One of the market's star performers announced a hefty $10bn share buyback programme.
hefty returns/dividends They promised investors hefty returns.
a hefty fee/fine/premium Avoid a hefty fine by posting your completed tax return by the end of this month.
hefty increases/losses/rises
a hefty debt/profit/discount
hefty bonuses/commissions/penalties