large-scaleˈlarge-scale adjectiveadj [only before a noun]1using or involving a lot of people, effort, money, or suppliesThe government hopes to attract large-scale foreign investment.
Large-scale changes to the organizational structure of the company are needed.
—large-scale adverbadvWe will have to test the new pesticide large-scale.
2large-scale productionMANUFACTURING producing goods in large quantitiesLarge-scale oil production did not begin in Saudi Arabia until after World War II.