make a dent in something

make a dent in something

COMMON If you make a dent in something, you reduce its amount or level. The savings from these cuts make only a small dent in the federal deficit. The average family in Britain spends £100 a week on food, which makes a big dent in the household budget. Note: You can also say that you put a dent in something. These devices can put a major dent in companies' IT budgets.
See also: dent, make, something

make a ˈdent/ˈhole in something

(informal) reduce something: Having to pay out unexpectedly for car repairs made a big hole in my savings.The embarrassing stories about his past made quite a dent in his reputation.
See also: dent, hole, make, something