heavy
adjective
uk/ˈhevi/ uslarger in number or amount than usual:
heavy taxes/fines/subsidies Those found to be violating the law could face heavy fines.
Salaries and bonuses of directors have been cut by a third after heavy criticism of 'fat-cat' payments.
There are worries that the dollar will come under heavy pressure later in the year.
a heavy burden/debt/loss
heavy demand/selling/investment
involving a lot of work and effort:
a heavy workload/schedule
heavy on sth
having a lot of something:
Some faculty members have criticized the board as too heavy on business people and too light on educational experience.
pay a heavy price (for sth)
to be in a very difficult situation because of a mistake or bad decision that has been made:
If we reject the deal, we will pay a heavy price in terms of trade, jobs, and investment.