From Longman Business Dictionaryover-investmentˌover-inˈvestment (also overinvestment) noun [uncountable]FINANCEECONOMICS the act of investing more money in something than is neededCompanies which have done badly have paid the penalty of over-investment in plant and materials. —over-invest verb [intransitive]Water companies fear that they are being made to over-invest in environmental clean-up operations. → compare under-investment
